Canon NP6218 Service Manual
  1. Manuals
  2. Brands
  3. Canon Manuals
  4. Printer
  5. NP6218
  6. Service manual
Canon NP6218 Service Manual

Canon NP6218 Service Manual

Hide thumbs Also See for NP6218:
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE
MANUAL
REVISION 0
FY8-13EX-000
MAY 1997
COPYRIGHT © 1997 CANON INC.
CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)

Advertisement

Table of Contents
loading

Related Manuals for Canon NP6218

Summary of Contents for Canon NP6218

  • Page 1 SERVICE MANUAL REVISION 0 FY8-13EX-000 MAY 1997 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 2 IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF REFERENCE FOR WORK IN THE FIELD. SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
  • Page 3 Installation introduces requirements for the site of installation, and shows Chapter 8 how the copier may be installed using step-by-step instructions. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 4 All service persons are expected to be thoroughly familiar with the information contained in this manual, SERVICE HANDBOOK, and Service Information bulletins, for quick response to the user’s needs. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)

  • Page 5: System Configuration

    (Not applicable to MS-B1.) Cassette Feeding Module-B2 Adds an additional cassette. Cassette Feeding Module-A2 Adds additional two cassettes. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 6 1. GENERAL DESCRIPTION COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAR. 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)

  • Page 7: Table Of Contents

    2. Inputs to and Outputs from F. Outputs from the DC Controller the 2-Cassette Unit Driver PCB ..........2-8 PCB (2/2)........2-13 1. Outputs from the DC Controller PCB (1/3) ....2-8 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 8 6. Current Limiter Circuit 1. Outline ........4-10 (cleaning bias) ......4-15 2. Turning On and Off the Primary F. Controlling the Static Eliminator Charging Roller Bias ....4-11 Bias..........4-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 9 A. Pick-Up Operation ......5-5 VI. IDENTIFYING JAMS ......5-12 B. Sequence of Operations A. Pre-Registration Delay Jam...5-12 (cassette 2; A4, 2 copies) ....5-6 B. Pre-Registration Timing Jam ..5-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 10 DISASSEMBLY AND ASSEMBLY ..6-11 Roller Nip........6-25 A. Fixing Assembly ......6-11 B. Delivery Assembly ......6-27 1. Construction1 ......6-11 2. Detaching the Upper Fixing Unit ...........6-12 viii COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 11 Cassette Feeding Module-A2 ..9-3 A. Periodically Replaced Parts...9-1 III. PERIODICAL SERVICING ....9-4 DURABLES ........9-2 SERVICING CHART......9-5 A. Copier ..........9-2 NOTES ON DRUM KIT ......9-6 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 12 8. The copy has black lines Roller ........10-25 (vertical; thick fuzzy lines)..10-54 2. Orientation of the Multifeeder 9. The copy has black lines Pick-up Roller ......10-25 (vertical, fine)......10-54 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 13 B. Self Diagnosis (ADF)....10-113 23.The registration roller fails to C. Self Diagnosis (Sorter) ....10-114 rotate........10-74 24.The scanning lamp fails to turn on........10-75 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 14 APPENDIX GENERAL TIMING CHART....A-1 SPECIAL TOOLS........A-5 SIGNALS AND ABBREVIATIONS..A-2 SOLVENTS/OILS........A-6 GENERAL CIRCUIT DIAGRAM ..A-3 not available COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
  • Page 15 A. Exterior View .........1-6 VI. ROUTINE MAINTENANCE BY THE B. Cross Section ........1-7 USER..........1-19 OPERATION ........1-9 VII. IMAGE FORMATION ......1-20 A. Control Panel.........1-9 A. Outline ...........1-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 16: Chapter 1 General Description

    • The auto power-off mechanism helps further saving of energy. • The interrupt mechanism enables cutting in on a continuous copying session. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 17: Specifications

    Auto 1 cassette Manual Multifeeder Transfer Roller Separation Curvature + static eliminator Cleaning Cleaning blade Fixing Fixing (by plane-shaped heater; 1100 W max.) COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 18: Features

    2. Remove curling before feeding for a second time. 3. Fan out the transparencies before setting them on the multifeeder to prevent adhesion. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 19: Others

    REDUCE II 1: 0.707 ENLARGE I 1: 1.414 ENLARGE II 1: 2.000 ZOOM 49% to 204% (1% increments) Table 1-201 Standard Reproduction Ratios COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 20: Cassette Feeding Module-B2/Cassette Feeding Module-A2

    Cassette Feeding Module-B2: 585W 622D 105H (mm) /23.0in x 24.5in x 8.3in Cassette Feeding Module-A2: 585W 622D 210H (mm) /23.0in x 24.5in x 4.1in Weight Cassette Feeding Module-B2: 9kg Cassette Feeding Module-A2:16kg Table 1-203 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 21: Names Of Parts

    Control panel Multifeeder Copyboard glass Figure 1-301 Open/close lever Heater switch Copy density correction knob Copy tray Static eliminator cleaner Static eliminator Figure 1-302 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 22: Cross Section

    Multifeeder pick-up roller Film pressure roller Pre-exposure lamp Cassette pick-up roller Film drive roller Primary charging roller Registration roller Delivery roller Figure 1-303 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 23: Cassette Feeding Module-A2

    CHAPTER 1 GENERAL DESCRIPTION 2. Cassette Feeding Module-A2 Cassette 2 Cassette 3 pick-up roller Cassette 3 Drive roller Cassette 2 pick-up roller Feeding roller Figure 1-304 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 24: Operation

    Clear key Sorter key Stop key Sorter indicator Max 200% Autom. Paper 1: 1 Min 50% Autom. Zoom – Zoom + Figure 1-401 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 25: Operation Mode

    Sort/staple Press it to select/reset sort, staple sort, or Only when an sorter sort/group mode group mode. (accessory) is installed. Table 1-401 1-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 26: Making Two-Sided/Overlay Copies (Manual)

    Use paper of 60 to 128 g/m Correct any curling on postcards or thick paper (128 g/m ) before copying on the second side. Figure 1-405 1-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 27: User Mode

    Initializing user You can return settings changed mode in user mode to initial settings. Table 1-402 1-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 28: Common Operations

    3) Press the Start key. • The display indicates the current setting (if initial, indicates ‘2-2’). 4) Enter a desired setting using the keypad. 1-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 29: Zoom Fine-Adjustment ( )

    Further, the copy density indicator shows the current setting. (See Figure 1-406.) 6) Press the Density key to adjust the reproduction ratio in Y direction. (See Figure 1- 406.) 1-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 30 3) Press the Start key. • The display indicates the current setting (if initial setting, ‘4-1’). State of auto cassette change function Settings Table 1-405 1-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 31: Non-Sort (With Adf And Sorter Installed—Option) ( )

    ” on the display flashes; then, “ ” stops flashing and remains on. 5) Press the AE key. • The copier returns to standby state. 1-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 32: Adjustment Method For Standard Mode ( )

    • User mode is initialized, and the display returns to “ ”. 6) Press the AE key. • The copier returns to standby state. 1-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 33: Quick Guide To User Mode

    CHAPTER 1 GENERAL DESCRIPTION 11. Quick Guide to User Mode Table 1-408 1-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 34: Handling The Toner Bottle

    If separation jams occur frequently, use the special brush (accessory) to clean it; the eliminator need not be cleaned as often as once a week. 1-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 35: Image Formation

    The copier uses an electrostatographic method to produce images and is constructed as shown in Figure 1-601. It is equipped with an automatic control mechanism to ensure stable reproduction of high-quality images. 1-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 36 8. Drum Cleaning 5. Transfer Manual feeding Registration Delivery 6. Separation Cassette 7. Fixing flow of copy paper rotation of drum Figure 1-602 1-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 37 CHAPTER 1 GENERAL DESCRIPTION 1-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 38 H. Inputs to and Outputs from the D. Main Motor Control Circuit.....2-4 2-Cassette Unit Driver PCB...2-12 E. Inputs to the DC Controller PCB ...2-5 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 39: Chapter 2 Basic Operation

    Pick-up/feeding system 2 Cassette Feeding module A2 Flow of high voltage/toner Flow of paper Flow of light Flow of electrical signals Figure 2-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 40: Outline Of The Electrical Circuitry

    Control card (accessory) Registration clutch Delivery clutch Multifeeder pick-up clutch (accessory) Motor Cassette unit motor Cassette Driver PCB Sensor Cassette pick-up clutch Figure 2-102 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 41: Basic Sequence Of Operations (2 Copies Continuous, Ae)

    (last rotation) when the copy paper moves past the sensitive drum is cleaned discharged. delivery sensor. using static electricity as post treatment. Table 2-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 42: Outline

    J 303 J 502 current MLOCK* Phase control circuit Main motor Hall IC output MMCLK Reference signal Main motor driver PCB Figure 2-104 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 43: Inputs To The Dc Controller Pcb (1/3)

    When right door is opened, '0'. Right door open/ RDOP* PS 10 (when light-blocking plate is not at PS10, '0') closed sensor Figure 2-105 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 44: Inputs To The Dc Controller Pcb (2/3)

    Detects the width of copy paper Multifeeder paper MFPWD loaded in the multifeeder. width detection J304 Main thermistor (TH1) J304 See p. 6-1. Sub thermistor (TH2) Figure 2-106 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 45: Inputs To The Dc Controller Pcb (3/3)

    CHAPTER 2 BASIC OPERATION 3. Inputs to the DC Controller PCB (3/3) Figure 2-107 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 46: Outputs From The Dc Controller Pcb

    Developing cylinder High-voltage Micro- Transfer roller circuit processor Static eliminator Toner level +24V detection When '0',cartridge TEP* sensor indicator turns on. Figure 2-108 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 47 PCB J305 Scanner motor See p. 3-7. J306 Lens motor See p. 3-3. J304 Fixing film motor See p. 6-10. Figure 2-109 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 48 J310 Control Control CCD* When '0', count is incremented. card panel When '0', control card is present. IV N CCDT* Figure 2-110 2-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 49: Inputs To And Outputs From The 1-Cassette Unit Driver Pcb

    J114 +24V While M1cu is rotating, +24V CMA* alternates between '1' and Cassette M1cu '0'. (pulse signal) unit motor CMB* Figure 2-111 2-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 50: Inputs To And Outputs From The 2-Cassette Unit Driver Pcb

    C2SZ_2 See p. 5-8. detection C2SZ_3 C2SZ_4 J651 J120 C3SZ_1 Cassette 3 size C3SZ_2 See p. 5-8. detection C3SZ_3 C3SZ_4 Figure 2-112 2-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 51: Inputs To And Outputs From The 2-Cassette Unit Driver Pcb (2/2)

    J114 +24V While M1cu is rotating, +24V CMA* alternates between '1' and '0'. Cassette M1cu (pulse signal) unit motor CMB* Figure 2-113 2-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 52 CHAPTER 2 BASIC OPERATION 2-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 53 A. Scanner Drive Assembly ....3-9 B. Lens Motor Drive Circuit....3-3 B. Lens Drive Assembly.....3-18 C. Basic Sequence of Operations (lens drive system; non-Direct)..3-4 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 54: Chapter 3 Exposure System

    COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 55 Change solenoid (SL1) Lens motor (M3) Relay gear Lens cable Lens gear Lens Lens home position sensor (PS2) Enlargement Cam groove DC controller Figure 3-201 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 56: Lens Motor Drive Circuit

    Pulses are applied to each phase in sequence to rotate the motor. DC controller PCB J306 LNSC-B LNSC-A LNSA Microprocessor (Q301) LNSA* LNSB LNSB* Lens motor Figure 3-202 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 57: Basic Sequence Of Operations (Lens Drive System; Non-Direct)

    Scanning lamp *Unless it is at the home position already, the scanner returns to the home position at power-on. Figure 3-203 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 58: Scanning Drive System

    No. 1 mirror mount Forward PS1 light-blocking plate No. 2 mirror mount Scanner home position detection signal (SCHP) Scanner home position sensor (PS1) Figure 3-301 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 59: Relationship Between The Scanner Sensor And Signals

    Scanning lamp Unless it is at the home position already, the scanner returns to the home position at power-on. Figure 3-302 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 60: Driving The Scanner Motor

    Figure 3-303 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 61: Scanner Operations In Page Separation Mode (Non-Ae, Page Separation, A4, 2 Copies)

    The microprocessor identifies the result of dividing the identified size by 2 as the center of the original and operates the scanner assuming that the center represents the leading edge of the second original. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 62: Disassembly And Assembly

    1) Remove the upper rear cover. 2) Disconnect the connector of the motor, and remove the two screws ; then, detach the scanner drive motor Figure 3-401 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 63: Detaching The Scanner Cable

    , and detach the upper left stay Figure 3-403 6) Fix the cable in place using a pully clip (FY9-3010) Figure 3-404 3-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 64 Then, detach the cable fixing screw to separate the No. 1 mirror mount and the scanner cable (both front and rear). (front) (rear) Figure 3-406 3-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 65: Assembling The Mirror Position Tool

    3) Extend the arm accommodated by the main frame unit it butts against the stopper as in Figure 3-408. 4) Tighten the screw. Position A Figure 3-408 3-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 66: Routing The Scanner Cable

    Further, if you are using the mirror positioning tool, assemble it in advance by referring to “3. Assembling the MIrror Positioning Tool.” Figure 3-409 3-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 67 Steel ball Re-tighten the screw. 34±1mm Figure 3-410 3-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 68 If not attached correctly, its hook tip could interfere with the cable. Wirespring Hook Hook Cable Wirespring Cable Figure 3-411 3-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 69: Mirrors (Optical Length Of No 1, 2, And 3 Mirrors)

    No. 1 mirror mount and the No. 2 mirror mount (both front and rear). Mirror positioning tool (rear) Mirror positioning tool (front) (front) (front) Figure 3-413 3-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 70: Mirror

    Figure 3-415 4) Clean the No. 6 mirror using a blower brush or lint-free paper moistened with alcohol. 3-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 71: Lens Drive Assembly

    , and detach the lens cover Figure 3-416 5) Loosen the tension on the spring , and detach the cable Figure 3-417 3-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 72 Caution: Disconnect the connector first before removing the screw ; otherwise, the harness and driver will come into contact with each other. 3-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 73: Routing The Lens Cable

    1) Attach the lens cable to each pulley while winding it around the lens pulley indicated in Figure 3-421. 2) Move the tension pulley to hook the cable. 3-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 74: Adjusting The Position Of The Change Solenoid

    B by a finger, i.e., when the E-ring comes into contact with the solenoid. Figure 3-422 3-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 75 CHAPTER 3 EXPOSURE SYSTEM 3-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 76 H. Controlling the Primary Corona C. Primary Corona Assembly.....4-41 Roller Cleaning Mechanism ..4-20 D. Transfer Charging Assembly ..4-44 I. Releasing the Transfer Roller ..4-21 E. Developing System......4-47 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 77: Chapter 4 Image Formation System

    Cleaning blade Developing Blade cylinder Scoop-up sheet Paper Sttic eliminator Transfer corona assembly Composite Power Supply PCB DC controller PCB Figure 4-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 78 DC controller supply Static eliminator Scanning lamp High-voltage Transfer ON control circuit roller circuit assembly assembly Microprocessor (Q301) Microprocessor (Q512) T101 Figure 4-102 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 79: Basic Sequence Of Operations (Image Formation System)

    S T Developing bias DC component *2 *3 Scanning lamp AE only. half pre-heating control. full pre-heating control. ON pre-heating control. Figure 4-103 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 80: Controlling The Scanning Lamp

    (H2) FLTH FLTHON control circuit Fluorescent lamp heater J317-1 FLTH (TH3) Fluorescent lamp thermistor J701-1 Fluores cent lamp intensity sensor Figure 4-104 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 81: Turning On And Off The Scanning Lamp

    *1 *2 Scanner 1.5 sec Scanning lamp Primary charging half pre-heating control. full pre-heating control. ON pre-heating I or II control. Figure 4-105 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 82 FLPRHT signal Figure 4-106 Full Pre-Heating Control (initial rotation, last rotation, part of scanner reverse travel) FLON signal 5KHz FLPRHT signal Figure 4-107 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 83: Controlling The Intensity Of The Scanning Lamp (Fl1)

    FL1), or the DC controller PCB, you must always perform gain adjustment for the intensity adjustment sensor using VR301 on the DC controller PCB. (See the p. 10-10.) COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 84: Controlling The Fluorescent Lamp Heater

    You can force the fluorescent heater off by turning off the scanning lamp (fluorescent lamp) heater switch (SW2) during the months in which the heater is not needed. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 85: Fluorescent Lamp Automatic

    Try replacing it. Warning: Do not execute operations that turn on the fluorescent lamp (coying, service mode) without installing the fluorescend lamp. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 86: Controlling The Primary Charging Roller Bias

    MPWM Main transformer (T101) drive circuit Micro- Current processor PDC-PWM Q512 detection circuit DC controller PCB Q301 (Master) Micro- processor Figure 4-111 4-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 87: Turning On And Off The Primary Charging Roller Bias

    4-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 88: Application Voltage Level

    You must enter the APVC correction voltage setting recorded on the label attached to the front of the drum unit whenever you have replaced the drum unit. (See p. 10- 102.) 4-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 89: Controlling The Transfer Roller Bias

    SCFW SCRV SCFW SCRV LSTR STRT Main motor (M1) Transfer bias Cleaning bias (+) Reference bias (ATVC) Static eliminator bias Figure 4-112 4-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 90: Bias

    (transfer bias) (ATVC) (cleaning) Microprocessor (Q512) DC controller PCB Microprocessor (Q301) Figure 4-113 4-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 91: Turning On And Off The Transfer Roller Bias

    10 µA or more. 4-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 92: Controlling The Static Eliminator Bias

    JLVCTL JCTL Transformer (T101) Microprocessor drive circuit (Q512) MPWM J211 J302 11~15 J301 J210 DC controller PCB Microprocessor (Q301) Figure 4-114 4-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 93: Switching The Static Eliminator Bias Voltage Level

    To ensure proper separation, the voltage applied to the static eliminator may be permanently set to 4.0 kV. To do this, use service mode No. 506 (separation static eliminator output voltage; see p. 10-107). 4-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 94: Controlling Blank Exposure

    Blank shutter solenoid (SL3) Slide shutter (front) Pre-exposure lamp Blanking shutter home position sensor (PS3) Open/close shutter DC controller PCB Figure 4-115 4-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 95: Blanking (Whiting) Of Non-Image Areas For Reduction

    Open/close shutter Image exposure optical path Slide shutter Pre-exposure optical path Drum cleaning assembly Drum cartridge Pre-exposure Photosensitive reflecting plate drum Figure 4-117 4-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 96: Controlling The Primary Corona Roller Cleaning Mechanism

    4 rotations. Primary Primary charging roller Fulcrum Fulcrum Cleaning pad charging cleaning solenoid roller Drum unit Drum Figure 4-118 4-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 97: Releasing The Transfer Roller

    • during post rotation (LSTR) after as many as 50 copies or more have been made (cumulative) Photosensitive drum Transfer roller Transfer roller releasing solenoid engaging Fulcrum releasing Figure 4-119 4-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 98: Ii. Developing Assembly And Cleaning Assembly

    No. 2 stirring blade Toner level detection PCB Torque limiter Main motor/ Main motor driver PCB Motor drive signal DC controller PCB Figure 4-201 4-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 99: Controlling The Toner Level Detection

    Toner level Blade mount Developing assembly sensor frame Toner Blade DC controller Antenna sensor circuit Comparator circuit Developing cylinder TEP* Figure 4-202 4-23 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 100 3rd (0.5 sec) 2nd (1 sec) Toner out signal (TEP*) AC bias Cartridge indicator (tlashing) A4, AE3 copies, continuous mode Figure 4-203 4-24 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 101: Controlling The Development Bias

    J211 1~15 J302 J210 J301 AE sensor Microprocessor Copy density (Q301) correction volume Copy Density key (VR302) DC controller PCB Figure 4-204 4-25 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 102: Turning On And Off The Ac Component Of The Development Bias

    , thereby freeing the copies of fogging. (to lighter) (to darker) VR302 Developing bias (DC component) Darker Medium -500 Lighter -400 -100 (darker) (lighter) Copy density Figure 4-205 4-26 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 103: Automatic Control Of Copy Density

    Developing DC bias Copy density 9 (equivalent) Copy density 7.5 (equivalent) Copy density 5 (equivalent) Newspaper Test Sheet Density of original Figure 4-206 4-27 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 104 Figure 4-207 (Area Read by the AE Sensor) Reference: When copies are made in AE using an ADF-E1 (accessory), the density is checked for each original. 4-28 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 105: Ae Adjustment

    Density default: 0 Newspaper Density of Test Chart Original settings: -26 to +26 Table 4-201 4-29 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 106: Disassembly And Assembly

    3) Detach the upper rear cover. 4) Move the scanner unit near the center. 5) Remove the two screws , and detach the light-blocking plate Figure 4-301 4-30 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 107 8) Pull the fluorescent lamp slowly toward the front to detach. Figure 4-303 Caution: Do not touch the fluorescent lamp. (Use lint-free paper.) 4-31 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 108: The Fluorescent Lamp Heater/Scanning Lamp

    Figure 4-305 Caution: Do not touch the fluorescent lamp. (Use lint-free paper.) Do not block the light-emitting portion by the fluorescent lamp heater. 4-32 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 109 • Make sure that the cut-off of the fluorescent heater is correctly oriented in relation to the intensity adjustment sensor. Fluorescent heater Adjustment sensor Figure 4-307 4-33 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 110: Detaching The Blank Exposure Assembly

    Figure 4-308 6) Push up the blank exposure assembly lightly upward, and pull it out toward the bottom front. Figure 4-309 4-34 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 111: Detaching The Blank Exposure Lamp

    Assembly on p. 4-34.”) 2) Remove the four screws , and disconnect the connector Figure 4-310 3) Disconnect the connector Figure 4-311 4-35 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 112: Detaching The Blank Shutter Solenoid

    , and detach the link arm from the blank shutter. 4) Remove the two screws , and pull out the blank shutter solenoid. Figure 4-313 4-36 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 113 When taking measurements, do not push down the shutter. After adjustments, make sure that the solenoid moves smoothly. Figure 4-314 Figure 4-314 4-37 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 114: Positioning The Left/Right Margin

    1 mm. Figure 4-316 4-38 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 115: Drum Unit

    3) Open the copier’s top unit. 4) Turn the knob counterclockwise to detach. 5) Pull out the drum unit toward the front. Figure 4-318 4-39 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 116: Cleaning

    Caution: Do not dry-wipe or use solvent. Do not use drum cleaning powder. 4-40 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 117: Primary Corona Assembly

    3) Detach the primary corona assembly unit together with the holder while rotating it in the direction of the arrow. Figure 4-320 4-41 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 118: Cleaning The Cleaning Pad And The Primary Corona Roller

    • Dry-wipe only. Do not use water, alcohol, or solvent. • Be sure to use strokes in one direction only. Figure 4-322 4-42 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 119 = 4.0 ± 0.2 Figure 4-323 Caution: You must make the adjustment whenever you have replaced the solenoid. 4-43 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 120: Transfer Charging Assembly

    2) Open the copier’s top body by operating the copier open/close lever. 3) Detach the inside cover. 4) Remove the three fixing screws , and detach the harness cover Figure 4-325 4-44 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 121 Figure 4-327; if bundled in parallel, the harness will come into contact with the transfer roller. Figure 4-327 4-45 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 122 Make sure that the spring at the rear is securely in the groove when attaching the transfer guide to the copier after attaching the drum heater. 4-46 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 123: Developing System

    2. Removing the Blade Assembly 1) Remove the developing assembly from the copier. 2) Remove the four screws , and remove the developing cover Figure 4-330 4-47 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 124: Removing The Developing Cylinder Side Seal

    The blade must be installed at high precision. Do not remove it in the field. If necessary, remove it intact on its mounting plate. 3) Remove the screw , and remove the front cover Figure 4-332 4-48 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 125 , roll case , and roll Figure 4-333 5) Remove the three E-rings , and gear , gear , and gear Figure 4-334 4-49 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 126 6) Remove the screw , and remove the butting roll and roll case Figure 4-335 7) Remove the developing cylinder Figure 4-336 4-50 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 127: Installing The Side Seal And The Blade Assembly

    1) Clean the area where the side seal will be installed with alcohol. 2) Attach the side seal as indicated in Figure 4-339. Figure 4-339 4-51 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 128 Upper side. Figure 4-340 4-52 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 129 C. Registration Roller Assembly ..5-31 the Multifeeder.......5-8 D. Feeding Assembly ......5-34 C. Sequence of Operations E. Cassette Unit .........5-36 (multifeeder; A4, 2 copies) ....5-9 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 130: Chapter 5 Pick-Up/Feeding System

    COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 131: Pick-Up/Feeding System

    Cassette 2 vertical path sensor (Accessory) Cassette 2 paper sensor (Accessory) Cassette 3 vertical path sensor (Accessory) Cassette 3 paper sensor (Accessory) Table 5-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 132: Ii. Pick-Up Operation (Copier)

    (PS4, PS5); when the absence of paper is identified, the Paper indicator is flashed on the control panel. Figure 5-201 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 133: Sequence Of Operations (Pick-Up/ Feeding Assembly; A4, 2 Copies)

    CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Sequence of Operations (pick-up/feeding assembly; A4, 2 copies) Figure 5-202 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 134: Pick-Up From The Cassette Feeding Module-A2

    Pick-up clutch Casette 3 size detection PS3cu CL2cu Cassett e 3 Cassette M1cu unit motor Cassette drive PCB DC controller PCB Figure 5-301 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 135: Sequence Of Operations (Cassette 2; A4, 2 Copies)

    Cassette 2 vertical path sensor Cassette feeding (PS1cu) unit Cassette feeding unit motor (M1cu) Registration clutch (CL1) Registration sensor (PS6) Copier Main motor (M1) Figure 5-302 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 136: Multifeeder

    Multifeeder tray Photosensitive drum Separation pad Registration roller Registration roller paper sensor Multifeeder pick-up solenoid Paper guide plate cam Spring clutch Figure 5-401 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 137: Identifying The Size Of Paper On The Multifeeder

    The maximum length of paper is 432 mm (LDG size); paper longer than this will lead to a jam. DC controller PCB Slide guide (rear) Variable resistor (VR1) Slide guide (Front) Multifeeder tray Figure 5-402 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 138: Solenoid

    SCRV SCFW SCRV LSTR Multifeeder pick-up solenoid (SL2) Multifeeder pick-up clutch (CL3) Pre-registration sensor (PS6) Registration clutch (CL2) Scanner motor (M2) Figure 5-403 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 139: Identifying The Cassette Size

    0: photointerrupter is not blocking light. *size may be stored; must be within the range specified in mm; for details, see p. 10- Table 5-501 5-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 140 LTR.) This arrangement causes the copier to execute the copying sequence intended for LTR copies. Guide plate (horizontal) Paper size lever Guide plate (vertical) Figure 5-501 5-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 141: Identifying Jams

    Pck-up clutch (CL2) 1.5 sec 1.5 sec Jam check Normal Error Registration sensor (PS6) Main motor (M1) Figure 5-601 Pre-Registration Delay Jam Sequence 5-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 142: Pre-Registration Stationary Jam

    0.8 sec 0.8 sec 0.8 sec Jam check Normal Normal Error Registration sensor (PS6) Main motor Figure 5-603 Pre-Registration Stationary Jam Sequence 5-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 143: Separation Delay Jam

    Registration clutch (CL1) 0.3 sec 0.3 sec Jam check Normal Error Separation sensor (PS7) Main motor (M1) Figure 5-605 Separation Stationary Jam Sequence 5-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 144: Delivery Delay Jam

    (PS8) has gone on because of feeding problems. Jam indicator SCFW SCRV LSTR Normal Error Delivery sensor (PS8) Jam check Main motor (M1) Figure 5-607 Delivery Stationary Jam Sequence 5-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 145: Disassembly And Assembly

    1. Detaching the Pick-Up Roller Unit 1) Pull out the cassette. 2) Remove the stop ring (plastic) from the front of the pick-up roller unit. Figure 5-701 5-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 146 4) toward the rear, and remove the bushing while lowering it to the lower left. Figure 5-703 5-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 147 Figure 5-705 Note: When removing the pick-up roller Assembly, separate the right side black bushing from the key. 5-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 148: Detaching The Pick-Up Roller

    ; then, pull out the pick-up roller together with the collar. Caution: Take care not to drop the pin found toward the rear. Figure 5-707 5-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 149: Points To Note When Attaching The Pick-Up Roller

    1) Detach the main motor unit. (See “1. Detaching the Main Motor Unit” on p. 7-11.) 2) Remove the two screws , and detach the connector mount Figure 5-709 5-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 150: Detaching The Separation Pad

    5. Detaching the Separation Pad 1) Open the right door. 2) Remove the two screws , and detach the separation cover Figure 5-711 5-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 151: Adjusting The Left/Right Registration

    – shown in Figure 5-714 counterclockwise turn: moves the paper in the direction of + shown in Figure 5-714 0±1.5mm Figure 5-713 Figure 5-714 5-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 152: Multifeeder Assembly

    1) Open the right door. 2) Remove the two screws , and shift the multifeeder assembly toward the front to detach. Figure 5-715 5-23 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 153: Detaching The Multifeeder Pick-Up Roller Unit

    , and pull out the bushing 3) Remove the two screws Figure 5-716 4) Remove the screw , and detach the roller cover Figure 5-717 5-24 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 154: Detaching The Multifeeder Pick-Up Roller

    (plastic), and pull out the pick-up roller together with the collar. Caution: Take care not to drop the pin found at the rear. Figure 5-719 5-25 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 155: Points To Keep Note When Attaching The Multifeeder Pick-Up Roller

    , and detach the separation pad Caution: At this time, take care not to lose the spring on the separation pad assembly. Figure 5-721 5-26 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 156: Detaching The Multifeeder Drive Unit

    3) Remove the screw Figure 5-722 4) Remove the screw , and disconnect the connector ; then, detach the multifeeder drive unit Figure 5-723 5-27 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 157: Detaching The Multifeeder Clutch

    1) Detach the multifeeder drive unit. (See “6. Multifeeder drive Unit on p. 5-25.”) 2) Remove the E-rings and screws ; then, detach the support mount. 3) Detach the multifeeder pick-up clutch Figure 5-724 5-28 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 158: Assembly (Paper Guide Plate Cam)

    Figure 5-725 when the claw is engaged with the solenoid plate; then, fix in position. Figure 5-725 5-29 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 159: The Multifeeder Assembly Rack Plate

    10. Points to Note When Attaching the Multifeeder Assembly Rack Plate Attach the rack plate of the multifeeder to the pulley while both its right and left are fully open. 5-30 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 160: Registration Roller Assembly

    1) Detach the registration clutch. (See “1. Detaching the Registration Clutch on p. 5- 29.”) 2) Remove the spring (front) and spring (rear). Figure 5-728 5-31 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 161 Figure 5-729 Caution: Take care not to misplace the springs (front, rear). 3) Lift the upper registration roller to detach. Figure 5-730 5-32 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 162: Detaching The Lower Registration Roller

    Figure 5-731 3) Remove the E-ring (front), and shift the bushing 4) Detach the registration roller Figure 5-732 5-33 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 163: Feeding Assembly

    , and shift the feeding retention plate Figure 5-733 3) Disconnect the connector , and shift the feeding retention plate Figure 5-734 5-34 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 164 Figure 5-736 Caution: Take care not to touch the transfer roller. Do not damage the area where the feeding spacers are in contact. 5-35 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 165: Detaching/Attaching The Pick-Up Roller

    2) Detach the cassette motor. (See p. 7-15 “2. Detaching the Cassette Motor.”) 3) Remove the three screws , and detach the bushing and side plate ; then, detach the pick-up clutch Figure 5-738 5-36 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 166: Fixing System

    A. Fixing Assembly ......6-11 the Fixing Heater ......6-5 B. Delivery Assembly ......6-27 D. Detecting Overheating at the End of the Fixing Heater .......6-6 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 167: Chapter 6 Fixing System

    Further, a thermistor (TH2) is also provided on the end (rear) of the fixing heater to monitor overheating. Drive roller Main motor Thermistor Tension roller Fixing film Fixing heater Delivery roller Pressure roller Fixing cleaning roller Figure 6-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 168 Fixing heater overheating Fixing heater temperature detection circuit etection HTRD HTON* Heater ON detection PCB DC controller PCB Fixing heater driver PCB Figure 6-102 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 169: Controlling The Fixing Heater Temperature

    • 21st to 25th copy 195°C • 26th to 40th copy 190°C • 41st to 45th copy 185°C • 46th to 100th copy 180°C COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 170 Normally, control 2 is used. Use control 1 to increase the control temperature if a fixing fault occurs; or use control 3 to lower the control temperature if offset occurs. (See the p. 10-32.) Figure 6-103 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 171: Controlling The Supply Power For The Fixing Heater

    (HTRD) so that power that suits the target temperature of the fixing heater may be supplied to the heater (potential control of the supply power). HTRD Supply power to heater Figure 6-104 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 172: Detecting Overheating At The End Of The Fixing Heater

    The period of time during which the fixing heater drive signal (HTRD) remains off is detected; if an error is found, the power is cut off and E004 information is stored at the time. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 173: Correcting Displacement Of The Fixing Film

    PCB Tension roller Fixing film motor Fixing film Main motor Fixing film sensor (front) Delivery Driver roller Fixing heater Pressure roller Figure 6-105 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 174 (unit: mm) Fixing film (rear) (front) Tension roller Drive roller Figure 6-106 Normal (rear) (front) Figure 6-107 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 175 ‘E007’ is indicated on the display. (See p. 10-110.) Fixing belt motor (M4) Tension roller (rear view) displacement to the rear displacement to the front Figure 6-108 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 176: Controlling The Fixing Film Motor

    The motor is rotated in reverse by applying these pulses in reverse order. +24V FFCA FFCB Microprocessor (Q314) FFA* FFB* DC controller PCB Figure 6-109 6-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 177: Disassembly And Assembly

    If you must replace the upper fixing unit, replace it on a unit basis in the field and leave component replacement to the workshop. 6-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 178: Detaching The Upper Fixing Unit

    3) Remove the two screws , and detach the fixing assembly cover Figure 6-202 4) Disconnect the four connectors , and remove the screw Figure 6-203 6-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 179: Plate

    , you must first make sure that the heater connector has cooled. The screw is a special screw; take care not to drop it. 6-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 180 CHAPTER 6 FIXING SYSTEM Figure 6-205 3) Remove the two E-rings and the two washers 4) Remove the screw Figure 6-206 6-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 181 Figure 6-207 7) Remove the screw , and detach the bushing ; then, detach the upper fixing top side plate Figure 6-208 6-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 182 (rear) as shown in Figure 6-209. Figure 6-209 9) Pull out the fixing film toward the front. 10) Detach the tension roller Figure 6-210 6-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 183 CHAPTER 6 FIXING SYSTEM 11) Remove the screw , and detach the fixing film sensor Figure 6-211 12) Remove the E-ring Figure 6-212 6-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 184 14) Life the delivery side, and detach the fixing cleaning brush Figure 6-214 15) Remove the two screws , and detach the cover Figure 6-215 6-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 185 , and detach the bushing , leaving the fixing heater behind. Figure 6-217 Caution: Do not touch the surface of the heater. 6-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 186: Points To Note When Attaching The Fixing Film

    • When tightening the screw, hold the connector taking care that its top and bottom are free of pressure; be careful not to tighten the screw excessively. Screw Heater connector Figure 6-219 6-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 187: Points To Note When Replacing The Fixing Upper Unit

    11) Close the copier’s top body, and activate service mode. 12) Press ‘4’ on keypad; when the display indicates ‘4’, press the AE key. 6-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 188 ” is indicated, repeat steps starting with 13). If “ ” is indicated, repeat steps 4) through 10). 18) Attach the cover. 6-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 189: Detaching The Lower Fixing Unit

    , and detach the lower fixing unit Figure 6-223 Caution: Do not touch the surface of the fixing cleaning roller or the lower fixing roller. 6-23 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 190: Detaching The Separation Claw/Lower Fixing Claw And Fixing Cleaning Roller

    Caution: Take care not to misplace the spring. 4) Detach the lower fixing roller together with the bushing Figure 6-225 6-24 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 191: Adjusting The Lower Fixing Roller Nip

    | a-c | : 1mm or less Figure 6-227 Note: a and c represent points 10 mm from both ends of copy paper. 6-25 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 192 The copy paper stops while it is half way under the fixing roller; and, about 10 sec later, it will be automatically discharged. 8) Measure the nip. 6-26 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 193: Delivery Assembly

    1) Open the copier’s top body. 2) Remove the E-ring 3) Shift the bushing (rear) and bushing (front); then, detach the delivery roller Figure 6-228 6-27 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 194 CHAPTER 6 FIXING SYSTEM 6-28 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 195: E. Cassette Unit

    G. Composite Power Supply PCB..7-18 Power Supply Circuit .....7-5 H. AE Sensor PCB......7-21 DISASSEMBLY AND ASSEMBLY ..7-6 I. Intensity Sensor PCB ....7-21 A. External Covers ......7-6 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 196: Chapter 7 Externals/Auxiliary Mechanisms

    CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS I. POWER SUPPLY A. Outline Figure 7-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 197: Power Supply Circuit Assembly

    • +24 V ±5% • + 5 V ±5% However, the above applies only when the error in the AC input is limited to ±10%. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 198 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS Figure 7-102 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 199: Detecting Errors In The Power Supply Pcb

    LED is flashed at intervals of 2 sec for 20 sec. Reference: Normally, the LED is flashing at intervals of 0.5 sec. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 200: Protection Mechanisms For The Power Supply Circuit

    Be sure to disconnect the connector (J4) of the fixing heater before resetting the output. Repeated short circuiting and resetting can cause the built-in fuse (FU101) to blow. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 201: Disassembly And Assembly

    A. External Covers Copyboard cover Control panel Left cover Front door Delivery cover Cassette Copyboard Upper left cover Figure 7-201 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 202 Figure 7-203 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 203 When attaching the copyboard glass, make sure that it is firmly in contact with the vertical size plate without a gap to prevent intrusion of foreign matter. Figure 7-204 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 204: Control Panel

    Figure 7-205 9) Disconnect the two connectors (J309, J310) on the DC controller PCB; then, detach the control panel Figure 7-206 Figure 7-207 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 205: Fans

    5) Pull out the exhaust fan assembly toward the front while supporting it. Figure 7-210 6) Remove the four screws , and detach the exhaust fan Figure 7-211 7-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 206: Main Motor/Main Drive Assembly

    5) Detach the main motor. 6) Remove the clip ring , and disconnect the connector ; then, detach the registration clutch Figure 7-213 7-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 207 8) Detach the belt from the belt tensioner of the fixing drive assembly. Figure 7-215 9) Turn the pulley clockwise, and detach the belt Figure 7-216 7-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 208: Routing The Drive Belt

    3. Routing the Drive Belt Route the drive belt attaching them to the pulley and the tensioner as shown in Figure 4-218. Figure 7-218 7-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 209: Detaching The Pick-Up Drive Unit

    1) Detach the rear cover and right cover. 2) Remove the screw Figure 7-219 3) Remove the screw , and detach the harness guide Figure 7-220 7-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 210: Detaching The Cassette Motor

    1) Detach the rear cover. 2) Remove the two screws , and disconnect the connector (J114); then, detach the motor Figure 7-222 7-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 211: Detaching The Cassette Driver Pcb

    2) Disconnect all connectors from the cassette driver PCB 3) Remove the three screws , and detach the driver PCB Figure 7-223 7-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 212: Dc Controller Pcb

    AE. 7-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 213: Composite Power Supply Pcb

    , and shift the power cord cover 2 5) Disconnect the AC connector , and remove the screw to detach the grounding wire Figure 7-226 7-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 214 Figure 7-228 9) Remove the screw , and detach the composite power supply PCB Figure 7-229 7-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 215: The Composite Power Supply Pcb

    • Enter the settings (Nos. 315 through 318) recorded on the label attached to the composite power supply (service part) in service mode. (See p. 10-103) 7-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 216: Ae Sensor Pcb

    1. Points to Note When Replacing the Intensity Sensor • After replacement, perform the following; see p. 10-11: Adjust the intensity of the scanning lamp; and Adjust AE. 7-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 217 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 218 DIAGNOSTIC DEVICE II....8-26 E. Changing the Cassette Size..8-10 A. Unpacking........8-26 III. RELOCATING THE COPIER....8-13 B. Installation to the Copier ....8-27 REPLACING THE DRUM UNIT ..8-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 219: Chapter 8 Installation

    Figure 8-101; in other words, there must be distances A and B around the copier when measured with its front door open. A: 50cm/ 19.7in B: 10cm/ 3.9in Figure 8-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 220: Unpacking And Installing The Copier

    • Keep the fixing stored for possible relocation of the machine. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 221 Remove the two pieces of cardboard (cushion) from the feeding assembly. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 222 Install the developing assem- bly, and attach the developing assembly stopper with a screw. Engage the developing assembly. Close the copier’s top unit. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 223: Turning On The Copier

    Lock the developing assembly, and close the copier’s top unit. Insert the door switch activator into the door switch, and turn on the power. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 224 Remove the static eliminator, and clean it with the static eliminator brush; then, set the static eliminator. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 225 Copy Start key to make sure that all respective operations are normal. Attach the copy tray. Remove the door switch acti- vator, and close the front door. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 226: Checking The Images And Operations

    Clean the area around the copier. Move the machine to its site of Make sure that the copier is more or less level. installation. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 227: Attaching The Drum Unit

    Be sure to insert the drum unit straight along the copier’s rail. Fill out the label, and attach it to the drum unit cover. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 228: Changing The Cassette Size

    Figure 8-201 3) Move the width plate inside the cassette to suit the width of the paper to be used. Figure 8-202 8-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 229 5) Take out the paper size plates for the cassette, and pick out the four plates representing the most frequently used size; attach the labels. Figure 8-204 8-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 230 If you have soiled the surface of the drum inadvertently, wipe it using a flannel cloth coated with toner; do not use paper, lint-free or otherwise. Do not dry wipe or use solvent to clean the drum. 8-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 231: Relocating The Copier

    Tape the front door and delivery assembly in place. Place A3 copy paper on the copyboard glass, and tape the copyboard cover in place. 8-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 232: Replacing The Drum Unit

    Set the drum unit to the copier, and attach the knob used to fix the old drum unit. 8-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 233 Turn off the power, and open the copier’s top unit. Replace the static eliminator. Turn on the power. 8-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 234 AE key, ‘1’ and ‘2’ on the keypad, and Start key in sequence. Remove the door switch actua- tor, and close the front door. 8-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 235: Installing The Control Card Iv N

    (M4 12); at the time, be use that the copier’s emboss is fitted in the hole in the Control Card IV N. Figure 8-502 8-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 236 12) Connect the copier’s power plug, and turn on its power switch to check the operation of the Control Card IV N. 8-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 237: Cassette Heater Kit

    Mounting plate 1 ......1 Binding screw (black; M4 6) ...2 Mounting plate 2 ......1 TP screw (white; M3 6)....2 Relay harness ........1 8-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 238: Installation (To A Cassette Feeding Module-A2/B2)

    3) Install the mounting plate 2 to the cassette heater with two screws (black; M4 6). Mounting plate 2 Screw Cassette heater Figure 8-602 8-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 239 5) Open the cover on the front of the cassette feeding unit/module, and fix the mounting plate 2 in place to the front side plate with two screws (white; M3 6). Screws Figure 8-604 8-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 240 8) Install the cord clamp to the hole in the rear side plate of the cassette feeding unit/pedestal. • Cassette Feeding Module-A2 Cord clamp Figure 8-606 8-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 241 9) Lead the other connector on the relay harness through the copier’s bottom plate as shown. Copier's connector Molded member Copier's base plate Figure 8-608 8-23 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 242 Make sure that the relay harness is outside the area indicated by dashed lines to prevent it from interfering with the feet of the cassette. 8-24 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 243 12) Install the rear cover of the cassette pedestal and all covers. 13) Install the copier’s rear cover. 8-25 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 244: Installing The Remote

    Switch setting label ....1 pcs. Power Supply Unit.....1 unit Grounding wire*......1 pc. Screw (M4 6) ......4 pcs. Ferrite core .......1 pc. Harness band......2 pcs. *Not used. 8-26 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 245: Installation To The Copier

    RDD’s top cover Figure 8-702 2) Connect the Power Supply Unit’s connector to the RDD’s connector as shown. Figure 8-703 8-27 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 246 RDD’s cable Note: If a conversion connector is found on the cable from the copier, remove it. Fig. 8-705 8-28 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 247 5) Fix the RDD in place on the copier’s rear cover with four screws ; use the screws removed from the copier. Modular Jack on the Right Fig. 8-707 8-29 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 248 2. If you are mounting or replacing the ROM (IC6; for upgrading the RDD, be sure to shift bit 7 of the DIP switch 2 to ON. 8-30 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 249 9) Set the bits of the DIP switch 3 on the RDD’s PCB as indicated in the table. LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-711 8-31 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 250 10) Fit the Power Supply Unit into the power plug, and check that LED 1 (green) on the RDD’s PCB comes on. LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 5-712 8-32 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 251 SW2-1 SW2-2 SW2-3 SW2-4 SW2-5 SW2-6 SW2-7 See step 9). SW2-8 Table 8-702 LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-713 8-33 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 252 SW2-1 SW2-2 SW2-3 SW2-4 SW2-5 SW2-6 SW2-7 See step 9). SW2-8 Table 8-703 LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-714 8-34 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 253 RDD’s connector (TEL), and connect the telephone circuit to the RDD’s connector (LINE). LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-716 8-35 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 254 Transmission is canceled in response to a press on the push switch 1 while LED6 is flashing. LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-718 8-36 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 255 19) Press the copier’ COPY START key to make sure that LED3 (pink) flashes each time a copy is delivered. LED1 LED2 LED3 BAT1 LED5 LED6 LED4 Fig. 8-720 8-37 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 256 . (Make sure that the Power Unit’s cable is fixed in place on the cable guide inside the RDD and is not trapped by the top cover 8-38 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 257: I. Periodically Replaced Parts

    Cassette Feeding Module-A2 ..9-3 A. Periodically Replaced Parts...9-1 III. PERIODICAL SERVICING ....9-4 DURABLES ........9-2 SERVICING CHART......9-5 A. Copier ..........9-2 NOTES ON DRUM KIT ......9-6 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 258: Periodically Replaced Parts

    Life (copies) Remarks Static eliminator FG5-2912 60,000 Note: The above values are estimates only and subject to change based on the future data. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 259: Durables

    1.The life represents the number of copies actually made using the part. 2.The above values are estimates only and subject to change based on future data. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 260: Cassette Feeding Module-B2/Cassette Feeding Module-A2

    Actual usage Pick-up separation pad FG5-3614-000 100,000 Actual usage Note: The above values are estimates only and subject to change based on future data. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 261: Periodical Servicing

    Record the final counter reading. Fill out the Servicing Sheet, and report to the person in charge. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 262: Servicing Chart

    Drum kit Clearner base Actual use of the drum kit. Charging Charging roller assembly Charging roller cleaner Static eliminator Developing Developing spacer assembly COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 263: Notes On Drum Kit

    V. NOTES ON DRUM KIT Caution: Do NOT throw the drum kits into fire; it can burst or explode. Otherwise, dispose of it as nonflammable material. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 264: Maintenance And Inspection

    VIII. SELF DIAGNOSIS......10-109 TROUBLESHOOTING FEEDING A. Copier ..........10-109 PROBLEMS........10-78 B. Self Diagnosis (ADF)....10-113 A. Jams (copy paper).......10-78 C. Self Diagnosis (Sorter) ....10-114 B. Feeding Faults......10-81 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 265 The instruction “Measure the voltage between J109-1 (+) and J109-2 (–) on the DC controller PCB” asks you to connect the meter’s positive probe (+) to J109-1 and negative probe to J109-2 (–). 10-1 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 266 CHAPTER 10 TROUBLESHOOTING 10-2 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 267: I. Maintenance And Inspection

    I MAINTENANCE AND INSPECTION A. Image Adjustment Basic Procedure 10-3 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 268: Periodical Servicing

    B. Periodical Servicing 10-4 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 269: Standards And Adjustments

    The relationship between the setting and the image position is as follows: • For each ‘1’ in the setting, the position shifts about 0.27 mm. • ‘+’ shifts the image forward. 10-5 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 270: Adjusting The Leading Edge Non-Image Width

    The relationship between the setting and the image position is as follows: • For each ‘1’ in the setting, the position shifts about 0.27 mm. • ‘+’ increases the non-image width. 10-6 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 271: Adjusting The Image Trailling Edge Non-Image Width

    The relationship between the setting and the image position is as follows: • For each ‘1’ in the setting, the position shifts about 0.27 mm. • ‘+’ decreases the trailing edge non-image width. 10-7 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 272: Adjusting The Left/Right Registration

    Pick-Up from the Multifeeder Loosen the screw 1, and move the position of the tray so that it is 0 ±1.5 mm. Figure 10-206 10-8 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 273: Adjusting The Left/Right Margin (No.311; Left/Right Margin)

    1 mm. Figure 10-208 10-9 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 274: Adjusting The Scanning Lamp Intensity

    Caution: Be sure to execute AE adjustment after these adjustments. 10-10 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 275: Ae Adjustment

    6) Press the Clear key twice. • The display indicates ‘4’. 7) Press ‘2’ on the keypad, and press the AE key. • The display indicates ‘201’. 10-11 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 276 18) Enter ‘116’ using the keypad, and press the Start key. • Make sure that the display indicates ‘68–72’; otherwise, start with step 2) of operation/inspection mode for re-adjustment. 10-12 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 277 When the copier has read the setting, the indication stops flashing and remains 5) Record the new settings on the service mode label. 6) Press the Reset key. • The copier de-activates service mode. 10-13 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 278 Darker newspaper to be darker. News- Density of Test Chart paper original default: 0 range: –26 to +26 Table 10-201 10-14 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 279: Exposure System

    If not attached correctly, its hook tip could interfere with the cable. Wire spring Hook Hook Cable Wire spring Cable Figure 10-212 10-15 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 280: Adjusting The Mirror Position

    5) Attach the scanner cable fixing to the No. 1 mirror mount using two screws (both front and rear). (front) (rear) Figure 10-215 10-16 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 281: Adjusting The Scanner Cable Tension

    2) Fit the screw removed in step 1) in position A, and tighten it slightly. 3) Extend the arm accommodated by the main frame unit it butts against the stopper as in Figure 10-218. 10-17 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 282: Points To Note When Attaching The Fluorescent Lamp Heater/Scanning Lamp

    Figure 10-219 Caution: Do not touch the fluorescent lamp. (Use lint-free paper.) Do not block the light-emitting portion by the fluorescent lamp heater. 10-18 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 283 Fluorescent lamp heater Light adjustment sensor Figure 10-221 Reference: The fluorescent lamp heater will not operate unless the copier’s heater switch is turned on. 10-19 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 284: Positioning The Change Solenoid

    B, i.e., when the E-ring comes into contact with the solenoid. Figure 10-222 10-20 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 285: Image Formation System

    ON; try not to force down the shutter. After adjustments, make sure that the solenoid moves smoothly. Figure 10-223a Figure 10-223b 10-21 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 286: Routing The Blank Shutter Cable

    Caution: Be sure to make the adjustment whenever you have replaced the solenoid. = 5.5 Figure 10-225 10-22 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 287: After Replacing The Drum Unit

    6) Butt the two heaters against the transfer guide as shown in Figure 10-228, and fix the two mounts with two screws ; further, fix the harness in place using two harness bands (front, rear). Figure 10-228 10-23 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 288 When attaching the transfer guide to the copier after attaching the drum heater, make sure that the spring at the rear is firmly in the groove. 10-24 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 289: Pick-Up/Feeding System

    Attach the multifeeder pick-up roller so that the side with the collar with a cross is toward the rear. (front) Figure 10-232 10-25 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 290: Positioning The Paper Guide Plate Cam (Multifeeder)

    Figure 10-233 when the claw of the control ring is engaged with the solenoid; then, fix in place. Figure 10-233 10-26 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 291: Fixing System

    When tightening the screw, hold the connector making sure that both its top and bottom are free of pressure; do not tighten the screw excessively. Screw Heater connector Figure 10-235 10-27 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 292: Adjusting The Fixing Film Drive Roller Pressure

    Caution: If the copy count indicator keeps indicating ‘0’ or ‘528’ during adjustment, immediately press the Stop key to de-activate service mode. 10-28 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 293: Points To Note After Replacing The Fixing Upper Unit

    You must enter the resistance of the heater by selecting ‘No. 304’ in service mode whenever you have replaced the fixing upper unit. (See p. 10-31.) 10-29 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 294: Adjusting The Nip

    The fixing rollers hold the paper and stop it when half of it has been delivered; the paper is discharged automatically about 10 sec later. 8) Measure the nip. 10-30 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 295: Routing The Drive Belt

    10. range (default) 220/240V: ..235 to 325 (280) 10-31 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 296: Setting The Fixing Heater Temperature Control Value

    No. 304 Fixing temperature control value to be entered in service mode No.508 Label location Figure 10-240 Heater Stay Side Plate (rear) 10-32 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 297 9) Place the Test Chart NA-3 on the copyboard, and put a blank sheet of paper (A3) to cover about 2/3 of the Test Chart (bottom). Blank sheet of paper Test Chart (A3) Figure 10-241 10-33 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 298 The display indicates ‘003’. 20) Press the AE key. • The setting is changed. 21) Press the Reset key. • The copier leaves service mode. 10-34 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 299: Electrical

    5) Press [5] and [0] on the keypad. • The copier indicates ‘450’. 6) Press the Start key. • The copier indicates ‘noP’. 10-35 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 300: Checking The Photointerrupters

    5) Enter a number with the keypad, and press the Start key. • The copier checks each photointerrupter; see the copy count indicator. Figure 10-242 10-36 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 301 The lever is moved. — detection Separation No. 204 1-b The lever is not — lever with a sensor (SPD*) moved. finger while in standby. 10-37 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 302 The lever is not — No. 203 1-g while in sensor 3 (CSZ-3) moved. standby, and move the detection lever with a finger. 10-38 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 303 1 (C2SZ- moved. standby, and move the detecting lever by a fin- ger; be sure to set paper selection to cassette 2. 10-39 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 304 Copy paper is not — standby, and sensor (C3VPD) placed. put copy paper over the pick-up guide plate. 10-40 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 305 3 (C3SZ- moved. standby, and move the detecting lever by a fin- ger; be sure to set paper selection to cassette 3. 10-41 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 306 The lever is moved. — right door Cassette right No. 204 2-a The lever is not — while in door moved. standby. open/closed sensor (CRDOP*) 10-42 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 307: Adjusting The Multifeeder Paper Width Sensor

    10-43 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 308 Government 266.7 x 203.2 LETTER-R Argentine 220.0 x 280.0 LETTER Government 203.2 x 266.7 LETTER Korean 190.0 x 268.0 Government Table 10-202 10-44 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 309: Troubleshooting Image Faults

    Check if the paper is Canon-recommended paper. b. Check if the paper is dry; try paper fresh out of the package. 10-45 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 310: Others

    If condensation is noted, dry wipe the part or leave the machine alone powered for 60 min. 10-46 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 311 CHAPTER 10 TROUBLESHOOTING 10-47 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 312: Samples Of Image Faults

    CHAPTER 10 TROUBLESHOOTING B. SAMPLES OF IMAGE FAULTS not available 10-48 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 313: Troubleshooting Faulty Images

    Scanner Clean the mirror, lens, and dust- End. proofing glass. Is the problem Drum cartridge Replace the drum corrected? cartridge. 10-49 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 314: The Copy Is Too Light (Black Solid Also)

    2. Check the high- DC con- voltage transformer troller PCB and the DC controller PCB. 10-50 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 315 Is the reading in service mode Replace the composite power supply (105; primary current) 10 µA or power supply PCB. less? Drum cartridge Replace the toner cartridge. 10-51 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 316: The Copy Has Uneven Density (Front Too Dark)

    If the problem is not corrected, replace the developing assembly. 10-52 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 317: The Copy Is Foggy (Overall)

    Replace the drum service mode (primary charging cartridge. current) 10 µA or less? Composite Replace the composite power supply power supply PCB. 10-53 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 318: The Copy Is Foggy (Vertical)

    Are there scratches or black lines Replace the upper fixing assembly on the upper fixing film? unit. Check the inlet of the fixing assembly for dirt. 10-54 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 319: The Copy Has White Spot (Vertical)

    (Be sure to investigate the cause of the scratches.) Light from Check if the photosensi- outside tive drum is exposed to light from outside. 10-55 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 320: The Copy Has White Spots (Horizontal)

    1. Check the scanner scanner cable location on all copies? rail for foreign matter. 2. Adjust the tension of the scanner cable. 10-56 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 321: The Back Of The Copy Is Soiled

    Clean the delivery roller and the fixing assembly paper guide plate. 10-57 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 322: The Copy Has A Fixing Fault

    Registration Adjust the registration (leading End. edge margin; ‘No. 305’ in service mode). Is the problem corrected? (See p. 10-5.) 10-58 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 323: The Copy Has A Blurred Image

    Is the problem noted at intervals Check the developing gear of about 4.2 cm? assembly. Drum drive Check the drum drive assembly assembly. 10-59 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 324: The Copy Is Foggy (Horizontal)

    Check the scanner. them against copies made in Feeding Check the feeding Direct. Is the problem noted at assembly assembly. different positions? 10-60 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 325: The Copy Has Poor Sharpness

    Direct with on specification? between No. 1 and No. 2 mirrors. Scanner Clean the scanning lamp, reflecting plate, mirrors, lens, and dust- proofing glass. 10-61 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 326: The Copy Is Blank

    Is the reading in ‘No. 105’ of Replace the composite power supply service mode (primary charging power supply PCB. current) 10 µA or less? 10-62 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 327: Troubleshooting Malfunctions

    Fixing heater Replace the fixing heater driver End. driver PCB PCB. Is the problem corrected? DC controller Replace the DC controller PCB. 10-63 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 328: E001

    DC controller Replace the DC controller PCB. Is End. the problem corrected? Fixing heater Replace the fixing heater driver PCB driver PCB. 10-64 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 329: E004

    Fixing film Replace the fixing film motor End. motor (M4) (M4). Is the problem corrected? DC controller Replace the DC controller PCB. 10-65 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 330: E010

    Checks Is the total copy counter operating See “The copy counter normally? fails to operate.” DC controller Replace the DC controller PCB. 10-66 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 331: E064

    PCB and PS1; photointerrupters.) if normal, replace PS1. DC controller Replace the DC PCB check controller PCB. 10-67 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 332: E210

    12. E240 Cause Step Results Action Checks DC controller Turn on and off the power switch. End. Replace the DC controller PCB. 10-68 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 333: E261

    Is the problem corrected? DC controller Replace the DC controller PCB. Is End. the problem corrected? Composite Replace the composite power supply power supply PCB. 10-69 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 334: Ac Power Supply Is Absent

    AC harness Is the wiring between the door Correct the wiring. switch and the composite power supply PCB normal? 10-70 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 335: Dc Power Supply Is Absent

    Fuse Is the fuse of the composite Replace the fuse. power supply PCB blown? Composite Replace the composite power supply power supply. 10-71 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 336: The Blank Shutter Fails To Move

    Is the belt fro drive routed correctly? Re-route the belt. Main drive Detach the main drive assembly assembly; correct or replace pats as necessary. 10-72 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 337: The Pick-Up Operation Fails (From Cassette)

    24 V to about DC controller Replace the DC 0 V when the Copy Start key is controller. pressed? 10-73 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 338: The Scanner Fails To Move Forward/In Reverse

    0 V to about 24 V when the troller PCB and CL1; if Copy Start key is pressed? normal, replace the CL1. 10-74 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 339: The Scanning Lamp Fails To Turn On

    PCB? DC controller Replace the lens motor. Is the Replace the DC problem corrected? controller PCB. Lens motor End. (M3) 10-75 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 340: The Fixing Heater Fails To Operate

    PS2cu: cassette 2 paper sensor DC controller Replace the DC (accessory) controller PCB. PS4cu: cassette 3 paper sensor (accessory) 10-76 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 341: The Jam Message Fails To Turn Off

    Check the lever and the normal? (See p. 10-36.) wiring; if normal, replace the sensor. DC controller Replace the DC controller PCB. 10-77 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 342: Troubleshooting Feeding Problems

    When a jam occurs, try to find out the location and the type of the jam in service mode ([1]; No. 101). Figure 10-501 10-78 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 343: Pick-Up Assembly

    Try Canon-recommended paper. Advise the user to use Is the problem corrected? recommended paper. Pick-up roller Check the pick-up roller for wear or deformation. 10-79 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 344: Separation/Feeding Assembly

    Check the delivery roller roller drive smoothly? drive assembly. assembly Leading edge Check if a margin exists margin along the leading edge of the copy. 10-80 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 345: Feeding Faults

    Is the lower roller pressure (nip) Make adjustments. pressure within specification? Top unit, Try replacing the top unit lower roller or the lower roller. 10-81 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 346: Of The Electrical Parts

    CHAPTER 10 TROUBLESHOOTING VI ARRANGEMENT/FUNCTIONS OF THE ELECTRICAL PARTS A. Sensors Figure 10-601 10-82 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 347 2 fluorescent lamp temperature detection ambient temperature detection Volume multifeeder paper width detection Thermal fuse fixing heater overheating detection Table 10-601 10-83 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 348: Clutches, Solenoids, And Switches

    CHAPTER 10 TROUBLESHOOTING B. Clutches, Solenoids, and Switches Figure 10-602 10-84 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 349 Varistor transfer guide varistor attraction plate varistor Counter CNT1 total copy counter CNT2 option counter Table 10-602 10-85 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 350: C. Motors, Heaters, And Lamps

    CHAPTER 10 TROUBLESHOOTING C. Motors, Heaters, and Lamps Figure 10-603 10-86 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 351 Fan motor heat exhaust fan Heater fixing heater fluorescent lamp heater lens heater Fluorescent scanning lamp lamp Lamp pre-exposure lamp Table 10-603 10-87 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 352: Pcbs

    CHAPTER 10 TROUBLESHOOTING D. PCBs Figure 10-604 10-88 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 353 Development bias connector development power relay Heater driver fixing heater drive Heater on detection fixing heater drive detection Table 10-604 10-89 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 354: Cassette Feeding Module-A2

    E. Cassette Feeding Module – A2 CL1cu PS1cu PS3cu PS2cu M1cu CL2cu PS5cu PS4cu Q564-2 Q563-2 Q562-2 Q561-2 Q564-3 Q563-3 Q562-3 Q561-3 Figure 10-605 10-90 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 355 Clutch CL1cu cassette 2 pick-up clutch CL2cu cassette 3 pick-up clutch Heater cassette heater (accessory) Cassette driver relay PCB Table 10-605 10-91 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 356: Dc Controller Pcb

    J321 J301 J303 J302 B10 J319 J353 J351 5 J318 1 SW303 SW302 VR302 VR301 VR391 J324 J356 J312 J322 Figure 10-606 10-92 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 357 CHAPTER 10 TROUBLESHOOTING 2. Composite power supply PCB J212 J213 J210 J206 J205 J209 J211 LED501 J908 J906 J202 J204 Figure 10-607 10-93 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 358: Service Mode

    While service mode is activated, the copy density indicator LED indicates the position of the fixing belt. • A press on the reset key de-activates service mode. Figure 10-701 10-94 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 359: Selecting A Service Mode

    E004, not responding to a press on the power switch. To check the error in service mode, perform the above after disconnecting the connector of the heater. 10-95 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 360 REGIST_R LE_BLANK_R TE_BLANK TE_BLANK_MF B_HOME B_HOME_RE PRIMARY IP_OFST PW_OFST IP_ADJ PH_ADJ ATVC_STD MF_LOOP C1_LOOP C2_LOOP C3_LOOP C1_CL_OFF C2_CL_OFF C3_CL_OFF LIGHT Figure 10-702 10-96 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 361: Control Display Mode [1]

    Indicates the version of the program. Intensity at time of scanning Normal: between 68 and 72 Factory mode Factory mode Factory mode Factory mode Table 10-702 10-97 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 362 10th digit indicates the type of jam. Example: The most recent jam is a pre- The second most recent jam is a door registration delay jam. open jam. 10-98 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 363: I/O Mode [2]

    Indicates the measurement of voltage using voltage 0 through 255. Toner level sensor Indicates the measurement of voltage using 0 through 255. Table 10-12 10-99 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 364 ON: light-blocking plate present Cassette size 4 (cassette 1) ON: light-blocking plate present Cassette 3 vertical path ON: light-blocking plate present sensor (PS3cu) 10-100 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 365 HTON* (triac short circuit) Composite power supply ACK CP-ACK J302-12 ON: acknowledged ON: H, OFF: L AC pulse AC-MNTR J302-14 Table 10-14 10-101 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 366: Adjustment Mode [3]

    No. 307 or 308, it is recommended that page separation mode be selected before activating service mode. 10-102 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 367 Arch adjustment when 0 ~ 63 A higher setting increases the arch. multifeeder is used (pick-up roller default: 25 OFF timing) unit: 0.27 mm 10-103 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 368 For factory only (CL2cu) off timing adjustment default: 20 Scanning lamp intensity For factory only 0 ~ 76 adjustment default: 75 Table 10-15-2 10-104 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 369: Operation/Inspection Mode [4]

    Scanning lamp ON check A press on the Start key keeps the lamp on after about 1.5 sec. Control panel indicators ON 10-105 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 370 Start key will automatically activate APVC measurement mode; the mode ends in about 23 sec. Back-up RAM clear See p. 10-35 Table 10-16 10-106 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 371: Specification Settings Mode [5]

    0: disabled 1: enabled default: 0 Fixing control temperature 001: 225°C See p. 10-32. switching 002: 215°C 003: 200°C default: 002 Table 10-17 10-107 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 372: Counter Mode [6]

    For North America only; indicates the use of the drum unit in terms of copies made, and cleared when the drum unit is replaced. Table 10-18 10-108 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 373: Self Diagnosis

    • Beginning 1 second after the main thermister (TH1) detection temperature reaches 90°C, the first thermister does not reach 95°C for 200 ms. Table 10-19-1 10-109 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 374 E002 may be checked in ‘No. 108’ of (keys on • Scanner motor (M2; faulty) service mode. control panel disabled) • DC controller (faulty) Table 10-19-2 10-110 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 375 • Communication (with the • An open circuit is detected on the line with Remote Diagnostic Device II) the Remote Diagnostic Device II. Table 10-19-3 10-111 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 376 Detection of E000, E001, E002, E003, or E004 automatically turns off the copier. To check the type of error in service mode, go through the above steps after disconnecting the fixing heater. 10-112 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 377: Self Diagnosis (Adf)

    You can still continue to make copies even when the ADF is out of order; simply open the ADF, and set the documents on the copyboard glass. 10-113 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 378: Self Diagnosis (Sorter)

    If a mode that uses the sorter is selected, some copiers indicate the “MODE NOT AVAILABLE” message. 10-114 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 379 * Simply turn off the joint sensor (MS3) to detach the sorter from the copier; you need not disconnect the communication connector. ** When an E code is indicated. 10-115 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 380 CHAPTER 10 TROUBLESHOOTING 10-116 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 381 APPENDIX GENERAL TIMING CHART ....A-1 SPECIAL TOOLS .......A-5 SIGNALS AND ABBREVIATIONS..A-2 SOLVENTS/OILS........A-6 GENERAL CIRCUIT DIAGRAM ..A-3 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 382: A. General Timing Chart

    Fluorescent lamp heater (H2) Scanner home position sensor (PS1) Registration sensor (PS6) Separation sensor (PS7) Delivery sensor (PS8) Pick-up clutch (CL2) Registration clutch (CL1) COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 383: B. Signals And Abbreviations

    FLUORESCENT LAMP HETER OFF command TH 2 FIXING SUB THERMISTOR signal FL ON FLUORESCENT LAMP ON command TREVON TRNSFER REVERSE ON command FLPRHT FLUORESCENT LAMP PRE-HEAT command COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 384: C. General Circuit Diagram

    C. GENERAL CIRCUIT DIAGRAM not available COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 385 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 386: D. Special Tools

    (comes in No. 1 and No. 2 pairs; front, mirrors. rear) Pulley clip FY9-3010-000 For fixing the scanning cable in place. COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

  • Page 387: E. Solvents/Oils

    Tool No.: CK-0524 (100cc). viscosity) pick-up control MOBIL Vactraoil No. 4 assembly Lubricating Lubrication point: Silicone oil Tool No.: CK-0551 (20g) friction parts COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
  • Page 388 Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT. 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV. CANON INC. Printed in Japan REVISION 0 (MAY 1997) [31625] 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302 Japan...
  • Page 389 This publication is printed on 70% reprocessed paper. PRINTED IN JAPAN (IMPRIMÉ AU JAPON) 0797S0.7-2...

Table of Contents