Konica Minolta 2300 Service Manual
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Konica Minolta 2300 Service Manual

Konica minolta service manual printer 2300
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1750068-001B

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  • Page 1 1750068-001B...

  • Page 2: Proprietary Statement

    Trademarks KONICA MINOLTA and the KONICA MINOLTA logo are trademarks or registered trademarks of KONICA MINOLTA HOLDINGS, INC. QCOLOR and magicolor are trademarks or registered trademarks of KONICA MINOLTA PRINTING SOLUTIONS U.S.A., INC. Proprietary Statement The digitally encoded software included with your printer is Copyright © 2004 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.

  • Page 3: Contents

    CONTENTS...

  • Page 5: Table Of Contents

    CONTENTS ...3 SAFETY ...9 Safety Precautions for Inspection and Service ... 11 Warning ... 11 Caution ... 13 Used Batteries Precautions ... 15 Other Precautions ... 16 Precautions for Service ... 16 Safety information ... 19 Laser Safety Label ... 22 Laser Caution Label ...
  • Page 6 Control Panel Descriptions—2300DL & 2350 ... 129 Names of control panel parts and their functions ... 129 Message Window ... 129 Menu Contents for magicolor 2300 DL ... 133 Print menu overview ... 133 Settings menus ... 134 Service Mode ... 136 Service mode displays ...
  • Page 7 Paper misfeed displays ... 153 Wiring diagram of misfeed-detecting sensors ... 154 Misfeed detection timing and remedies ... 155 Malfunctions and Warnings (2300 DL & 2350) ... 159 Malfunction detection timing and remedies ... 161 Power supply malfunctions ... 167 Image Quality Troubleshooting ...

  • Page 9: Safety

    SAFETY...

  • Page 11: Safety Precautions For Inspection And Service

    SAFETY PRECAUTIONS FOR INSPECTION AND SERVICE • When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions listed below do not apply. • Different markings are used to denote specific meanings as detailed below. WARNING •...
  • Page 12 • This product contains a high-voltage unit and a circuit with a large current capacity that may cause an electric shock or burn. • The product also contains parts that can jerk suddenly and cause injury. • If this product uses a laser, laser beam leakage may cause eye damage or blindness.

  • Page 13: Caution

    WARNING 9. Maintain a Grounded Connection at all times. • Connect the power cord to an electrical outlet that is equipped with a ground- ing terminal. 10. Do not remodel the product. • Modifying this product in a manner not authorized by the manufacturer may result in a fire or electric shock.
  • Page 14 CAUTION 2. Precautions for Servicing with Covers and Parts Removed. • Wherever feasible, keep all parts and covers mounted when energizing the product. • If energizing the product with a cover removed is absolutely unavoidable, do not touch any exposed live parts and use care not to allow your clothing to be caught in the moving parts.

  • Page 15: Used Batteries Precautions

    1-3. Used Batteries Precautions ALL Areas Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. Germany Explosionsgefahr bei unsachgemäßem Austausch der Batterie. Ersatz nur durch denselben oder einen vom Hersteller empfohlenen gleichwertigen Typ.

  • Page 16: Other Precautions

    1-4. Other Precautions • When handling circuit boards, observe the “HANDLING of PWBs”. • The PC Drum is a very delicate component. Observe the precautions given in “HAN- DLING OF THE PC DRUM” because mishandling may result in serious image problems. •...
  • Page 17 • Be sure to unplug the printer from the outlet before attempting to service the printer. • The basic rule is not to operate the printer anytime during disassembly. If it is absolutely necessary to run the printer with its covers removed, use care not to allow your clothing to be caught in revolving parts such as the timing belt and gears.
  • Page 18 8. Handling of the Imaging Cartridge During Transportation/Storage • The storage temperature is in the range between –20 °C and +40 °C. • In summer, avoid leaving the Imaging Cartridge in a car for a long time. Handling • Store the Imaging Cartridge in a place that is not exposed to direct sunlight. Precautionary Information on the PC Drum Inside the Imaging Cartridge •...

  • Page 19: Safety Information

    1-6. Safety information Laser Safety • This is a digital machine certified as a class 1 laser product. There is no possibility of danger from a laser, provided the machine is serviced according to the instruction in this manual. Internal Laser Radiation semiconductor laser Maximum average radiation power(*) Wavelength...
  • Page 20 the U.S.A., Canada (CDRH Regulation) • This machine is certified as a Class I Laser product under Radiation Performance Stan- dard according to the Food, Drug and Cosmetic Act of 1990. Compliance is mandatory for Laser products marketed in the United States and is reported to the Center for Devices and Radiological Health (CDRH) of the U.S.
  • Page 21 Finland, Sweden LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS! Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle. puolijohdelaser Laserdiodin suurin teho aallonpituus VARNING! Om apparaten används på annat sätt än i denna bruksanvisning specificerats, kan användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1.

  • Page 22: Laser Safety Label

    1-7. Laser Safety Label • A laser safety label is attached to the outside of the machine as shown below. 1-8. Laser Caution Label • A laser caution label is attached to the inside of the machine as shown below. for 120V for 220 - 240V for 100V...

  • Page 23: Precautions For Handling The Laser Equipment

    • When a disassembly job needs to be performed in the laser beam path, such as when working around the printerhead and PC Drum, be sure first to turn the printer OFF. • If the job requires that the printer be left ON, take off your watch and ring and wear laser protective goggles.

  • Page 25: General

    GENERAL...

  • Page 27: Product Specifications

    1-way system (maximum 2-way); Expandable to 2-way system by installing the optional 2nd paper cassette Paper feed-in method Manual feed tray (200 sheets of plain paper) 2nd paper cassette (500 sheets of plain paper) (2300 DL & 2350 only) Paper feed-out method Face-down (tray capacity: 200 sheets)

  • Page 28: Duplex Unit

    1,500 pages (black/white ratio=5%) Black: 1,500 pages (black/white ratio=5%) Toner cartridge life (enclosed cartridge) Color: 1,500 pages (color/white ratio for each color=5%) Second paper cassette (2300 DL & 2350 only) Options Duplex unit Second paper cassette (Option) Name Second paper cassette (2300 DL & 2350 only) Plain paper (16 to 24 lbs.;...
  • Page 29 IBM PC or compatible CPU clock of 300 MHz or more recommended Minimum 36 MB Hard disk free space 20 MB: Printer drive/Status display 16 MB: Image processing area At least 16 MB (Windows 95/98/NT4.0) At least 32 MB (Windows Me)
  • Page 30 IBM PC or compatible CPU clock of 300 MHz or more recommended Hard disk free space Minimum 256 MB 128 MB: Printer drive/Status display 128 MB: Image processing area At least 16 MB (Windows 95/98) At least 32 MB (Windows Me)

  • Page 31: Installation Precautions

    Installation Precautions 2-1. Installation environment To ensure safety and prevent possible malfunctions, install the unit in a location that meets the following requirements. • A location that is not exposed to extremely high or low temperatures and not exposed to extremely high or low humidity.

  • Page 32: Space Requirements

    2-3. Space requirements • 13.4 in. (340 mm) 27.8 in. (705 mm) 11.8 in. (300 mm) 4131o103AA 19.7 in. (500 mm) C4131o105AA...

  • Page 33: Operation Precautions

    Operation Precautions 3-1. Ensuring the optimum performance of this unit • Never place heavy objects on the unit or subject it to shocks. • Make sure that the power supply plug is securely inserted into the electrical outlet. • Never remove secured panels or open doors of the unit while it is printing. •...

  • Page 34: Parts Identification

    3-5. Parts Identification 4131o106AA 4131o107AA Manual feed tray Power switch Image transfer belt unit Waste toner bottle Drum cartridge Toner cartridge Right-side door release lever Duplex unit (optional) 4131o001AA 4131g002AA 4131g003AA 4131g004AA...

  • Page 35: Mechanical/ Electrical

    MECHANICAL/ ELECTRICAL...

  • Page 37: Cross-Sectional View

    7. Synchronizing Roller Paper Path The printer has a Multi-Purpose Tray (MPT) capable of holding up to 200 sheets of paper. Paper feeding becomes a two-way system by mounting an optional feeder unit. • The paper pulled by the Paper Take-Up Roll is transported by the Transport Roller, Syn- chronizing Roller, Second Image Transfer Roller, Fusing Roller, and the Exit Roller and fed out of the printer.

  • Page 38: Electrical Components Layout

    ELECTRICAL COMPONENTS LAYOUT Printer 4131D002AA...
  • Page 39 1. Fusing Roller Heater Lamp (H1) 2. Fusing Pressure Roller Heater Lamp (H2) 3. Thermistor (TH1) 4. Thermostat (TS1) 5. Second Image Transfer Roller Pres- sure Contact Solenoid (SL5) 6. Fusing Cooling Fan Motor (M5) 7. Synchronizing Roller Solenoid (SL3) 8.
  • Page 40 2300DL Controller Symbol Item Destiny D8405 200 MHz controller control CPU U26, U27, SDRAM 8-MB memory chip, a total of 32 MB standard memory U28, U29 68-pin SD-RAM add-on memory (128, 256 MB, PC100/ CON4 Expansion slot 133 CL3) Connector 10/100Base-T Ethernet RJ45 connector Ethernet Controller Connector...
  • Page 41 2350 Controller Symbol Item 200 MHz Power PC 405 CPU U3, U6, U10, U12, U16, SDRAM A total of 128 MB standard memory U19, U24, U30 68-pin SD-RAM add-on memory (128, 256 MB, PC100/ Expansion slot 133 CL3) Connector 10/100Base-T Ethernet RJ45 connector Connector IEEE1284 Parallel Connector Connector...
  • Page 42 2300W Controller Controller Panel Interface Connector Engine Controller connector Demonstration ROM Board Connector Image memory Controller ASIC Image memory Parallel/USB Interface Connector 4131M554AA...

  • Page 43: Operating Sequence

    OPERATING SEQUENCE Conditions: A4 plain paper, full-color printing 4131M043AA...

  • Page 44: Image Stabilization Control

    IMAGE STABILIZATION CONTROL • The printer provides the image stabilization control as detailed below to ensure stabilized print image. Purpose Control • To stabilize image density AIDC control • To stabilize gradation • To stabilize image Image transfer output control transfer 4-1.

  • Page 45: Outline Of Aidc Control

    4-2. Outline of AIDC Control • The following AIDC controls are provided to ensure image stabilization. Control • Ds correction control • Sets the developing bias. • LED intensity adjustment • Adjusts the intensity of the LED light. control • Belt surface (on which no •...

  • Page 46: Operation Timing

    4-3. Operation Timing • A specific function of image stabilization control is carried out as required according to the situation. Operating Timing • When a new Image Transfer Belt is detected • When a new Drum Cartridge or Toner Cartridge is detected •...

  • Page 47: Temperature/Humidity Sensor

    4-4. Temperature/Humidity Sensor • The bias voltage is determined based on the value calculated through ATVC (Auto Transfer Voltage Control) and by the Temperature/Humidity Sensor (environment). Temperature/Humidity Sensor (HS1) 4131m029AA 4131M038AA Temperature Data ATVC Control Humidity Data Master Board (PWB-A) High Voltage Unit (HV) Second Image Transfer Bias...

  • Page 48: Atvc

    4-5. ATVC (Auto Transfer Voltage Control • Adjusts the transfer bias voltage based on the age and cleanliness of the transfer rollers. ATVC Control Image Transfer Belt is cleaned Fixed current is output to first transfer roller Resistance of first transfer roller is measured First transfer voltage is determined Second transfer roller is cleaned...

  • Page 49: Drum Cartridge

    Always wrap the drum in the PC Drum Cloth or a soft cloth immediately after it has been removed from the printer. Use utmost care to protect the sur- face of the PC Drum from contamination.

  • Page 50: Pc Drum Charging

    5-2. PC Drum Charging • The PC Drum Charge Corona employs a comb electrode Scorotron charger system. • It generates corona emission to deposit a charge evenly across the surface of the PC Drum through a grid mesh. • The comb electrode ensures that a charge is concentrated on the grid mesh, thus reduc- ing the amount of ozone produced.

  • Page 51: Laser Exposure

    LASER EXPOSURE An electrostatic latent image is formed on the surface of the PC Drum by a laser light emit- ted from the print head. PC Drum FD Direction (vertical scanning direction) • The Polygon Motor and Main Motor are energized by the PRINT signal, which starts a paper take-up sequence.
  • Page 52 Print Area • The figure below shows the print area in the FD and CD direction. /HSYNC /VIDEO /TOD /VIDEO Void Image Width: 4 mm CD Direction: 208 mm 80 ms Void Image Width: 4 mm 4131M046AA...

  • Page 53: Developing Unit

    DEVELOPING UNIT Toner Cartridge Rack When printing in each of the four different colors of toner, the Toner Cartridge Rack is rotated to bring the Toner Cartridge of the corresponding color of toner (K, Y, M, or C) to the developing position.
  • Page 54 Drive for the Developing Roller • The Developing Roller is driven by the Rack Motor (M2) and the Developing Roller Drive Gears. • When the Toner Cartridge Rack is stopped at the developing position, the Developing Roller is rotated by a drive from the Rack Motor (M2) transmitted with the Developing Roller Drive Gears.

  • Page 55: Developing Position

    7-1. Developing Position Toner Cartridge Rack Stop Position for Development • The stop position for development of each Toner Cartridge is determined by the Rack Lock Lever and the Rack Home Position Sensor (PC4). • The Toner Cartridge Rack rotates and the Rack Lock Lever drops into a stopping cutout. This unblocks the Rack Home Position Sensor (PC4), thus determining the stop position for the Toner Cartridge for the current use.

  • Page 56: Toner Cartridge

    7-2. Toner Cartridge Construction • The Toner Cartridge is constructed as illustrated below. 4131M050AA 1. Toper Hopper 2. Toner Agitating Plate 3. Toner Transport Roller 4. Developing Roller 5. PC Drum 4131M051AA 6. First Regulator Blade 7. Second Regulator Blade 8.
  • Page 57 First Regulator Blade / Second Regulator Blade • Regulates the amount of toner supplied to the Developing Roller. Developing Roller • Carries toner, whose amount has been regulated by the Regulator Blades. Developing Bias • Applied to the Developing Roller to ensure that an adequate amount of toner is fed to the PC Drum.
  • Page 58 Toner Cartridge Installation Detection • Toner Cartridge installation detection is made with the Toner Cartridge Detection Sensor (PC8) and the Reflector in the Toner Cartridge. Detection No Cartridge installed Method Cartridge installed Reflector 4131M039AA Intensity of Light Reflected Reflector 4131M040AA...
  • Page 59 Detection of a brand new Toner Cartridge 1. A brand new Toner Cartridge is installed. 2. The Front Door is closed. Then, the Power Switch is turned ON. 3. The Toner Cartridge Rack is rotated to bring the Toner Cartridge at the develop- ing position.

  • Page 60: Image Transfer

    IMAGE TRANSFER 8-1. Image Transfer Belt Unit Construction 1. Image Transfer Belt 2. Cleaning Blade 3. Waste Toner Conveying Coil 4. First Image Transfer Roller Drive Train 1. Main Motor (M1) 4131M053AA 5. Drive Roller 6. Second Image Transfer Roller 4131M009AA 2.
  • Page 61 First Image Transfer • The first image transfer bias is applied to the First Image Transfer Roller to transfer the toner image on the surface of the PC Drum onto the Image Transfer Belt. Image Transfer Belt PC Drum Second Image Transfer •...
  • Page 62 • The Second Image Transfer Roller is pressed against, and retracted from, the Image Transfer Belt by a cam on the printer side that is turned as the Second Image Transfer Roller Pressure Contact Solenoid (SL5) is energized or de energized.

  • Page 63: Second Image Transfer Roller Cleaning

    8-2. Second Image Transfer Roller Cleaning • A reverse bias is applied to the Second Image Transfer Roller to remove any residual toner left on the roller. • The residual toner is transferred onto the Image Transfer Belt and then recovered by the Cleaning Blade.

  • Page 64: Image Transfer Belt Cleaning Mechanism

    8-3. Image Transfer Belt Cleaning Mechanism Image Transfer Belt Cleaning Blade • The Cleaning Blade is used to scrape any residual toner off the surface of the Image Transfer Belt. Belt Cleaner Separation Solenoid (SL4) Cleaning Blade Image Transfer Belt Positioning Sensor (PC5) 4131M011AA Cleaning Blade...
  • Page 65 Belt Cleaner Separation Solenoid (SL4) is energized or deenergized. • The cam on the printer side is made into direct contact with the Cleaning Blade housing so that the Cleaning Blade is retracted.

  • Page 66: Waste Toner Bottle

    Waste Toner Bottle Detection • The Waste Toner Bottle Set Switch (S5) detects whether or not the Waste Toner Bottle is installed in the printer. Waste Toner Full Detection The Waste Toner Full Detecting Sensor (PC6) detects that the Waste Toner Bottle is full of waste toner.

  • Page 67: Fusing Section

    • Toner transferred onto the paper through the image transfer process is permanently fixed onto the paper. • The fusing system employed in the printer is a heat roller method, in which the Fusing Roller heated by a heater lamp is pressed against the Fusing Pressure Roller and, by feeding the paper between these two rollers, toner is fused onto the paper.
  • Page 68 Drive • The Fusing Unit is driven by the Main Motor (M1). Fusing Roller Pressure • The Fusing Roller and the Fusing Pressure Roller are pressed against each other at all times. They are released for maintenance service or replacement of parts. •...

  • Page 69: Fusing Temperature Control

    9-2. Fusing Temperature Control Fusing Temperature Control Circuit • The resistance of the Thermistor (TH) mounted to the Fusing Roller varies with tempera- ture. The higher the temperature, the smaller the resistance value. The output from the Thermistor (TH) is applied to the analog port of the CPU. •...
  • Page 70 Fusing Temperature Control • The temperature control as detailed below is provided by means of the Fusing Roller Heater Lamp (H1) and the Fusing Pressure Roller Heater Lamp (H2). • The surface temperature of the Fusing Roller is converted by the Thermistor (TH1) to a corresponding electrical signal.

  • Page 71: 10. Paper Take-Up Section

    • When the Manual Feed Paper Take-Up Solenoid (SL1) is energized, the cam turns. At the same time, the Paper Lifting Plate raises the tray and the paper on the tray is taken up by the Paper Take-Up Roll and fed into the printer. Paper Empty Detection •...

  • Page 72: Lower Feeder Unit (Option)

    • The Lower Feeder Take-Up Solenoid (SL7) is controlled from the printer through the Lower Feeder Control Board (PWB-A) of the Lower Feeder Unit.

  • Page 73: 11. Other Mechanisms

    Duplex Unit. • The drive for the Exit Roller is disconnected from the printer when the Duplex Unit is mounted on the printer and, instead, it is provided by the Duplex Unit Turnover Motor of the Duplex Unit.
  • Page 74 Paper Feeding Method 1. Operations in 2-sided printing with a single sheet of paper resident in, and circulated through, the system 4657M521AA 4657M522AA 4657M523AA Paper is taken up and fed in and the image on page 2 of the print job is printed. The paper is temporarily fed toward the exit section and, immediately before the paper leaves the Exit Roller, the direction of rotation...
  • Page 75 4657M524AA Steps from (2) to (6) are hereafter repeated. The image on page 1 of the print job is printed on the paper that is taken up from the Duplex Unit. The first paper is fed out of the printer.
  • Page 76 2. Operations in 2-sided printing with two sheets of paper resident in, and circulated through, the system: 4657M515AA 4657M516AA 4657M517AA 4657M518AA The first sheet of paper is taken up and fed in and the image on page 2 of the print job is printed.
  • Page 77 The image on page 1 of the print job is printed on the first sheet of paper. the Duplex Unit. fed out of the printer, the image on page 3 is printed on the second sheet of paper. paper is fed out of the printer, the third sheet of paper is taken up and fed in and the image on page 6 is printed on the third sheet of paper.
  • Page 78 3. Operations in 2-sided printing with two sheets of paper resident in the system and with a new sheet of paper taken up when a printed page with images printed on both sides is fed out 4657M528AA 4657M529AA 4657M530AA The first sheet of paper is taken up and fed in and the image on page 2 of the print job is printed.
  • Page 79 (10) The first sheet of paper fed out in exit tray. (11) At the same time the third sheet of paper is (12) The second of sheet of paper stopped at take- 4657M531AA (13) The image on page 3 is printed on the second (14) The third sheet of paper is immediately before (15) The third sheet of paper fed in the Duplex Unit.

  • Page 81: Maintenance & Disassembly/Assembly

    MAINTENANCE & DISAS- SEMBLY/ASSEMBLY 19971...

  • Page 83: Disassembly/Assembly Precautions

    • Reassemble the unit in reverse order of disassembly unless otherwise instructed. • If it is necessary to run the printer with its covers removed, use extreme care to avoid catching your fingers or clothing in rotating parts such as gears, rollers, or motors.

  • Page 84: Precautions For Transporting Or Storing The Opc Drum Cartridge

    • Use the specified carton when transporting or storing the OPC drum (magicolor 2350)/ PC drum (magicolor 2300 dl). • Do not store or place an OPC drum cartridge in a location where it will be exposed to direct sunlight. The storage temperature should be between -4°F(-20 (+40 °...

  • Page 85: Maintenance Schedule

    Maintenance Schedule Maintenance Cycle PM Parts Clean When paper Paper Take-Up Roller take-up failure occurs When paper Separator Roller Assy take-up failure occurs When paper Paper Dust Roller transport fail- ure occurs When paper Transport Roller transport fail- ure occurs 2nd Image Transfer Roller Image Transfer Belt Unit...
  • Page 86 NOTES Replace the Paper Take-Up Roll and Separator Roll at the same time. Replace the Second Image Transfer Roller and Fusing Unit at the same time. When the Fusing Unit has been replaced, reset the counter on the control panel. (See CONTROL PANEL/SERVICE MODE DESCRIPTIONS.) When the Image Transfer Belt Unit and Second Image Transfer Roller have been replaced, reset the counter on the control panel.

  • Page 87: Guideline For Life Specifications Values By Unit

    1: The Life Specification Value represents the number of prints made or figures equiva- lent to it when given conditions are met. They can be more or less depending on the printer operating conditions of each individual user. NOTES • The Life Value represents the number of printed pages or a figure equivalent to it when given conditions (shown below) are met.
  • Page 88 Conditions for Life Specifications Values magicolor 2300DL, 2350, 2300W Monochrome: producing three printed pages continuously; color: Print conditions making two printed pages continuously A4C or Letter C Paper Size Monochrome : Color = 3 : 1 Color Ratio C/W(Coverage/White) ratio = 5% in each color Density...

  • Page 89: Maintenance And Cleaning

    Maintenance And Cleaning Cleaning of the Paper Take-Up Roller 1. Open the right-side door. 2. Using a soft cloth dampened with alcohol, wipe C4131o073AB Replacement the Paper Take-up Roller 1. Remove the right-side door. 2. Remove the knob, and then replace the Paper 4131D058AB 3.
  • Page 90 Replacement of the Paper Separating Roller Assy 1. Remove the right-side door. 2. Remove two screws and the Paper Separator 4131D058AC 3. Take off the rubber stopper, shaft, spring, and 4658D003AA 4. Snap off one E-ring and the Paper Separator Roll 5.
  • Page 91 Cleaning of the Transport Roller 1. Open the Right-side Door. 2. Using a soft cloth dampened with alcohol, wipe C4131o073AC Replacement of the Waste Tonner Bottle 1. Open the Front Door. 2. Hold onto the handle of the Waste Toner Bottle C4131o049AA 3.
  • Page 92 Cleaning of the Laser Lens Cover 1. Open the Front Door. 2. Remove the Waste Toner Bottle. 3. Withdraw the Laser Lens Cover. 4. Wipe the lens of the Laser Lens Cover clean of C4131o043AA Replacement of the Second Image Transfer Roller 1.

  • Page 93: Replacement Of The Units

    Replacement of the Units Replacement of the OPC Drum Cartridge 1. Open the Front Door. 2. Remove the Waste Toner Bottle. 3. Lower the unlock lever and remove the Drum C4131o027AA 4. Reinstall the new Drum Cartridge. C4131o030AA 5. Pull the protective sheet of the Drum Cartridge to 6.
  • Page 94 Replacement of the Image Transfer Belt Unit 1. Open the Front Door. 2. Remove the Waste Tonner Bottle. 3. Remove the Drum Cartridge. 4. Remove two screws and the Image Transfer Belt NOTE When replacing the Image Transfer Belt Unit, be sure to remove the packing materials.
  • Page 95 Replacement of the Fusing Unit 1. Remove the Top Front Cover. 2. Remove the Top Cover. 3. Open the Right-side Door. 4. Remove two screws and the Fusing Unit Cover. 4131D032AA 5. Unplug the connector from the Power Unit and 6.

  • Page 96: Disassembly Procedures

    4-1. Disassembly Procedures Doors, Covers, And Exterior Parts: Identification And Removal Procedures...
  • Page 97 Name Open the Front Door and Right Door. -> Remove two screws and the Top Front Cover Top Front Cover. Open the Front Door and Right Door. -> Remove the Front Upper Top Cover Cover. -> Remove five screws and the Top Cover. Remove the Controller Protective Cover.

  • Page 98: Pre-Disassembly Preparation

    4-2. Pre-disassembly preparation Before disassembling the machine, the following units need to be removed. • Waste toner bottle • OPC drum cartridge • Toner cartridges (4 colors) • Image transfer belt unit 1. Open the front door. 2. Remove the waste toner bottle. 4131o023AA 3.
  • Page 99 Select each toner color of the cartridge to be removed, and then press the Select key to move the cartridge to the removal position. magicolor 2300 DL procedures a)From the display, select the menu “Engine”. b)Select “Replace Toner”. c) Select each color toner cartridge from this menu to remove it.

  • Page 100: Removal Of Circuit Boards And Other Electrical Components

    4-3. Removal Of Circuit Boards And Other Electrical Compo- nents NOTES • When removing a circuit board or other electrical component, refer to “Handling of PWBs” and follow the corresponding removal procedures. • The removal procedures given in the following omit the removal of connectors and screws securing the circuit board support or circuit board.
  • Page 101 Removal of the Rear Cover 1. Remove the Rear Cover 2. Remove the harness and connector. 3. Remove five screws and the Master Board NOTE When the Master Board has been replaced, be sure to demount EEPROM from the old master board and mount it to the new one.
  • Page 102 Removal of the Controller Board 1. Remove the Controller Board Protective Cover. 2. Remove the harness and connector. 3. Remove seven screws and the Controller Board 4131D055AB Removal of the Power Unit 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3.
  • Page 103 Removal of the High Voltage Unit 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3. Remove the Top Cover. 4. Remove the Rear Cover. 5. Remove the Left-side Cover. 6. Remove the Controller Protective Cover. 7. Remove the harness and connector. 8.
  • Page 104 Removal of the Lower Feeder Control Board 1. Remove three screws and the Lower Feeder 4131D072AA 2. Remove the harness and connector. 3. Remove one screw and the PWB protective 4131D073AA 4. Remove two screws and the Lower Feeder Con- 4131D074AA Control Board Assy.
  • Page 105 Removal of the Duplex Unit Control Board 1. Remove one screw and the PWB Protective 4131D075AA 2. Remove the harness and connector. 3. Remove two screws and the Duplex Unit Control 4131D076AA Cover. Board.

  • Page 106: Removal Of Units

    4-4. Removal of Units Removal of the Right-side Door 1. Remove the Front Door. 2. Remove the Controller Protective Cover. 3. Remove the Rear Cover. 4. Remove the Front Cover. 5. Remove the Right-side Rear Cover. 6. Remove the harness and connector. 7.
  • Page 107 8. Pull out the shaft and remove the Right-side Door. 4131D028AA 9. Remove the harness and connector. 10. Remove two screws and the Drum Unit Slide Cover. 4131D037AA 11. Remove one screw and the Laser Lens Cover. 4131D038AA 12. Remove two screws and the Print Head Cover. 4131D038AA 13.
  • Page 108 Removal of the Fusing Unit 1. Remove the Top Front Cover. 2. Remove the Top Cover. 3. Open the Right-side Door. 4. Remove two screws and the Paper Exit Assy. 4131D032AA 5. Remove the harness and connector. 6. Remove two screws. Then, remove the Fusing 4131D033AA Removal of the Transport Unit 1.
  • Page 109 11. Remove seven screws and the Controller Box. 4131D016AA 12. Remove two screws and the Master Board 4131D018AA 13. Remove the harness and connector. 14. Remove ten screws and the Transport Unit. Cover. 4131D504AA...
  • Page 110 Removal of the Duplex Unit 1. Open The Right-side Door. 2. Remove two screws. 3. Supporting the Duplex Unit with your hand, C4131o082AB Removal of the Lower Feeder 1. Remove one screw and the rear panel fixing C4131o091AA 2. Open the Front Door and slide out the Second 3.

  • Page 111: Disassembly Of The Engine Parts

    4-5. DISASSEMBLY OF THE ENGINE PARTS Power Supply Cooling Fan Motor 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3. Remove the Front Cover. 4. Remove the Rear Cover. 5. Remove the harness and connector. 6. Remove two screws and the Power Supply Cool- 4131D010AA Removal of the Fusing Cooling Fan Motor 1.
  • Page 112 Removal of the Ventilation Fan Motor 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3. Remove the Top Cover. 4. Remove the Rear Cover. 5. Remove the harness and connector. 6. Remove two screws and the Ventilation Fan 4131D012AA Removal of the Main Motor Assembly 1.
  • Page 113 7. Remove four screws and the Main Motor Assy. 4131D020AA Removal of the Rack Motor 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3. Remove the Top Cover. 4. Remove the Rear Cover. 5. Remove the Left-side Cover. 6.
  • Page 114 Removal of the Turnover Motor And The Transport Motor 1. Remove one screw and the Protective Cover. 4131D075AA 2. Remove the harness and connector. 3. Remove two screws and the Duplex Unit Control 4131D076AA inside of the printer. Clutch Shaft and the Drive Gear. Board.
  • Page 115 4. Remove the harness and connector. 5. Remove one screw and the Duplex Unit Cover. 4131D048AA 6. Remove two screws and the Duplex Unit Turn- 7. Remove two screws and the Duplex Unit Trans- 4131D049AA Removal of the Manual Feed Take-up Solenoid 1.
  • Page 116 10. Remove the connector and PWB Support. 11. Remove four screws and the High Voltage Unit (HV). 4131D017AA 12. Remove two screws and the Master Board Cover. 4131D018AA 13. Remove eleven screws and the bottom plate. 4131D065AA 14. Remove five screws and the Manual Feed Take- Up Assy.
  • Page 117 Removal of the Transport Roller Solenoid 1. Remove the Transport Unit See page 108 2. Remove one screw and the Transport Roller 4131D507AA Removal of the Synchroning Roller Solenoid 1. Remove the Transport Unit See page 108 2. Remove two screws and the Transport Unit gear 4131D505AA 3.
  • Page 118 (10) Removal of the Second Image Transfer Roller Pressure Contact Solenoid 1. Remove the Transport Unit See page 108 2. Remove the Transport Unit gear mounting 4131D505AA 3. Remove one screw and the 2nd Image Transfer 4131D509AA bracket. Roller Pressure Contact Solenoid.
  • Page 119 (11) Removal of the Belt Cleaner Separation Solenoid 1. Open the Right-side Door. 2. Remove the Top Front Cover. 3. Remove the Top Cover. 4. Remove the Rear Cover. 5. Remove the Left-side Cover. 6. Remove the Controller Protective Cover. 7.
  • Page 120 (12) Removal of the Fusing Paper Loop Solenoid 1. Remove the Rear Cover 2. Remove seven screws and the Controller Box. 4131D016AA 3. Remove the harness and connector. 4. Remove five screws and the Master Board 4131D009AA 5. Remove two screws and the Master Board 4131D018AA 6.
  • Page 121 (13) Removal of the AIDC sensor 1. Remove the Top Front Cover. 2. Remove the Top Cover. 3. Remove the Left-side COver. 4. Remove three screws and the protective cover. 4131D013AA 5. Remove the harness, connector, and PWB Sup- 6. Remove three screws and the Power Unit. 4131D014AA 7.
  • Page 122 (14) Removal of the Manual feed tray 1. Remove the Top Front Cover. 2. Remove the Top Cover. 3. Remove the Front Cover. 4. Remove the Left-side Cover. 5. Remove two screws and the switch box. 4131D021AA 6. Snap off the C-ring and remove the Manual Feed 4131D022AA (15) Disassembly of the Fusing Unit 1.
  • Page 123 4. Remove two screws and the Thermostat (TS1). 4131D053AA 5. Remove the Fusing Roller and Fusing Pressure 4131D054AA Notes for installation When installing the fusing roller and the fusing pressure roller, install them with the speci- fied misalignment. Standard: 3 mm or less ±...
  • Page 124 (16) Disassembly of the toner cartridge rack rack1 rack2 rack3 rack3a 1. Remove the controller protective cover, top- front cover, top cover, left-side cover, rear cover, controller, controller box, high-voltage unit, master board, and master-board bracket. 2. Remove the rear-rack shaft cover. (3 screws) 3.
  • Page 125 6. Remove the toner-cartridge rack and rack disk from the printer. rack4...

  • Page 127: Control Panel / Service Mode Descript

    CONTROL PANEL / SER- VICE MODE DESCRIPTIONS...

  • Page 129: Control Panel Descriptions-2300Dl & 2350

    C4131o001AA Warning screen C4131o015AA Function/details • Lights up to indicate that the printer is ready to print. • Lights up to indicate that an error has occurred. • Press to cancel the print job. • IDLE is displayed. • Press to scroll through the menus.

  • Page 130: Service Call

    The following appear in the warning screen according to the condition of the printer. <Malfunction display> This generally appears when a malfunction that cannot be corrected by the user has occurred. Example: Malfunction that can be indicated with malfunction code.
  • Page 131 Status Messages magicolor 2300 DL Messages CALIBRATING CANCELLING JOB ENERGY SAVER IDLE MAGICOLOR 2300DL PRINTING PROCESSING WARMING UP C TONER LOW M TONER LOW K TONER LOW Y TONER LOW TONER EMPTY BLACK TONER EMPTY YELLOW TONER EMPTY CYAN TONER EMPTY MAGENTA...
  • Page 132 2300 DL Messages NO TONER UNIT YELLOW COVER OPEN TRAY 2 WASTE TONER BOX FULL DRAWER OPEN TRAY 2 PUT X:TRAY1 TRAY 2 NOT ATTACHED SIZE MISMATCH SIZE/TYPE ERROR SIZE/TYPE ERROR DUPLEX ERROR AIDC SENSOR DUPLEX UNIT NOT ATTACHED...

  • Page 133: Menu Contents For Magicolor 2300 Dl

    Menu Contents for magicolor 2300 DL 2-1. Print menu overview The following settings appear in the menus. The settings that appear in bold are the default settings. IDLE Select key Up key Up key Down key LANGUAGE Prev. SPECIAL PAGES...

  • Page 134: Settings Menus

    ENERGY SAVER If a print job is received while the printer is in energy saver mode, the printer warms up, then returns to normal print mode before starting to print. When set to “On,” the printer continues printing even if the specified tray is not loaded with paper of the correct size.
  • Page 135 Auto Continue: On Chaining Tray: On Network menu • If the printer is connected and used on a network, the following settings should be speci- fied. • For details about each setting, contact your network administrator. Set the IP address of this printer on the network.

  • Page 136: Service Mode

    MAGENTA TONER Indicates the percentage of magenta toner remaining in the cartridge. XXX% REMAINING CYAN TONER Indicates the percentage of cyan toner remaining in the cartridge. XXX% REMAINING DRUM UNIT Indicates the percentage of the life of the drum unit remains. XXX% REMAINING 2-3.

  • Page 137: Reset Controller

    • Select this option to display the remaining service life for the image transfer belt unit and the drum unit. RESET CONTROLLER • Select this option to reset the controller. RESET COUNTER FUSER UNIT • Select this option to reset the counter for the fusing unit.

  • Page 138: Menu Contents For Magicolor 2350

    Menu Contents for magicolor 2350 3-1. Menu Overview MAGICOLOR 2350 IDLE Select key Up key Up key Down key PROOF/PRINT USERNAME MENU* JOBNAME Prev. COPIES DELETE Next PRINT MENU MENU MAP CONFIGURATION STATISTICS FONT LIST DEMO DIRECTORY LIST PAPER MENU INPUT TRAY DUPLEX* COPIES...
  • Page 139 ENGLISH, FRENCH, GERMAN, ITALIAN, PORTUGUESE, SPAN- ISH, CZECH, JAPANESE DEFAULT, AUTO DEFAULT, POST- CRIPT, PCL, LINE PRINTER, OPTI- MIZE 1 MINUTE, 15 MINUTES, 30 MIN- UTES, 1 HOUR (110V units only), 2 HOURS (110V units only), 3 HOURS...

  • Page 140: About The 2300W Control Panel

    About the 2300W Control Panel The control panel, located on the top of the printer, allows you to direct the printer's opera- tion. In addition, it displays the current status of the printer, including any condition that needs your attention.

  • Page 141: Indicator Lights

    2 blinks per second **** : For details, check the Status Display utility. Printer Status**** Power off Power-on initialization Canceling a job Printer ready (idle) Warming up Calibrating Receiving data Printing Energy Saver mode Waste toner bottle is nearly full...

  • Page 142: Working With The 2300W Status Display

    • The Status Display displays information about the current status of the computer's local printer. If you used the CD-ROM Installer to install the printer driver, the Status Display was also installed. However, if you used Add Printer to manually install the printer driver, Status Display is not installed.

  • Page 143: Using The Status Display

    • When the background of the right-hand printer graphic is red, there is an error and the job has been interrupted. The status of the printer and the error message are shown in the dialog boxes on the left.

  • Page 144: Status, Error And Service Messages

    • Status, error, and service messages are displayed in the Status Display. They provide information about your printer and help you locate many problems. When the condition associated with a displayed message has changed, the message is cleared from the Sta- tus Display message window.
  • Page 145 When the printer stops and a service message dis- plays in the Status Display message window, turn the printer off and then back on. This often clears the service message indicator, and printer operation resumes.
  • Page 146 Communication Error A communication error occurred in the parallel or USB interface. Controller Internal Error There is an internal error on the controller board. SDRAM Error on Board There is an SDRAM error on the controller board. ROM Error ROM error. An error has been detected with the item indicated "XX "...

  • Page 147: Troubleshooting

    TROUBLESHOOT-...

  • Page 149: Introduction

    Introduction • Information required for troubleshooting and steps that must be performed are described in this chapter. 1-1. Checking the electrical components • If a paper misfeed or malfunction occurs, perform the following operation to check the condition of the electrical components. Sensor Step Check...

  • Page 150: Solenoid/Clutch

    Solenoid Step Check Does the output signal of the master board change from H to L when the solenoid is turned on? Clutch Step Check Does the output signal of the master board change from H to L when the clutch is activated? Result Remedy Replace the master...

  • Page 151: Motor

    Motor Step Check Does the LOCK signal switch to H when the machine goes into standby? Does the REM signal of the master board change from H to L when the motor is turned on? LOCK Step Check Does the input signal of the master board change from H to L when the motor is turned on?(The input signal differs depend- ing on the rotation direction.) Step...

  • Page 152: Paper Misfeeds

    Paper Misfeeds 2-1. Perform initial check procedures • If a paper misfeed occurs, first check for the following conditions. Condition to be checked Is paper within the product specifications being used? Is the paper curled, wrinkled or humid? Are there foreign objects in the transport path or is it dirty or deformed? Are the rollers dirty, deformed or scratched? Are the paper guides adjusted to the size of the paper?

  • Page 153: Paper Misfeed Displays

    2-2. Paper misfeed displays • If a paper misfeed occurs, a message indicating the location of the misfeed appears in the display. Message: 2300 DL 2350 MEDIA JAM PAPER JAM TRAY1 TRAY 1 MEDIA JAM PAPERJAM TRANSFER ROLLER TRANSFER MEDIA JAM...

  • Page 154: Wiring Diagram Of Misfeed-Detecting Sensors

    2-3. Wiring diagram of misfeed-detecting sensors • If the duplex unit and lower feeder are installed Exit sensor (PC10) Fusing paper loop detecting sensor (PC11) 4131M036AA Duplex unit transport sensor (PC17) Synchronizing roller sensor (PC2)

  • Page 155: Misfeed Detection Timing And Remedies

    2-4. Misfeed detection timing and remedies Paper misfeed in the paper feed-in section of the manual feed tray (Tray1) <Detection timing> Category Paper misfeed detected in the If the end of the paper does not interrupt the synchronizing roller paper feed-in section of the sensor (PC2) when a set amount of time has passed after the manual feed tray manual feed paper take-up sensor (SL1) is activated...
  • Page 156 Paper misfeed in the Second image transfer section <Detection timing> Category If PC2 does not pass through when a set amount of time has passed after the paper interrupts the synchronizing roller sensor (PC2) Paper misfeed detected in the Second image transfer section If the light is not interrupted even after the paper has passed the interruption position for the fusing paper loop detecting sensor (PC11)
  • Page 157 Paper misfeed in the paper feed-in section of the Second paper cassette (Tray2) 2300 DL & 2350 only <Detection timing> Category If the end of the paper does not interrupt the synchronizing roller sen- Paper misfeed detected in sor (PC2) when a set amount of time has passed after the 2nd drawer...
  • Page 158 Replace PWB-A.

  • Page 159: Malfunctions And Warnings (2300Dl & 2350)

    Malfunction cancelling procedure • For malfunctions other than those described above, open, then close the front door or turn the unit off, then on. Malfunction code 2300 DL 2350 FATAL ERROR SERVICE CALL 04 CODE: 04H ENGINE BOARD...
  • Page 160 FATAL ERROR SERVICE CALL 1A CODE: 1AH FUSER UNIT FATAL ERROR SERVICE CALL 1B CODE: 1BH FUSER UNIT FATAL ERROR SERVICE CALL 21 CODE: 21H TRANS DET SENS FATAL ERROR CODE: 29H SERVICE CALL 29 FATAL ERROR MEM MALF COUNTER CODE: 2AH SERVICE CALL 2A FATAL ERROR...

  • Page 161: Malfunction Detection Timing And Remedies

    Components for display of the warning Controller control board (PWB-P) Reference Step Remedy Turn the printer off and on again. Reload system code. Replace PWB-P. FATAL ERROR CODE 08H / SERVICE CALL 08 MAIN MOTOR: Malfunction of the main motor <Remedy>...

  • Page 162: Fusing Cooling Fan Motor

    Replace PWB-P. FATAL ERROR CODE 0CH / SERVICE CALL 0C PWR SUPPLY FAN: Malfunction of the power supply cooling fan motor <Remedy> Components for display of the warning Power supply cooling fan motor (M4) Reference Step Remedy Check M4 operation. Replace PU.
  • Page 163 Replace the print head unit. Replace PU. Replace PWB-A. Replace PWB-P. FATAL ERROR CODE 14H / SERVICE CALL 14 XFER ROLLER: Incorrect pres- sure by or separation from the Second image transfer roller <Remedy> Electrical components for detection of the malfunction Image transfer roller pressure contact solenoid (SL2) Image transfer roller pressure positioning sensor (PC7) Reference...
  • Page 164 Step Remedy Replace the image transfer belt unit. (10) FATAL ERROR CODE 17H / SERVICE CALL 17 TONER RACK: Incorrect devel- oping rack rotation <Remedy> Electrical components for detection of the malfunction Rack motor (M2) Rack clutch (CL1) Rack home position sensor (PC4) Reference Step Remedy...
  • Page 165 (13) FATAL ERROR CODE 1AH / SERVICE CALL 1A FUSER UNIT: Incorrect fusing roller high temperature (14) FATAL ERROR CODE 1BH / SERVICE CALL 1B FUSER UNIT: Disconnection at thermistor <Remedy> Electrical components for detection of the malfunction Thermistor (TH1) Step Check Result...
  • Page 166 Reference Step Remedy page Replace the EEPROM. Replace PWB-A. WARNING DIAGRAM Location(electrical com- Control signal ponent)

  • Page 167: Power Supply Malfunctions

    3-2. Power supply malfunctions No power <Remedy> Electrical components for detection of the malfunction Power unit (PU) Power switch (S1) Reference Step Remedy Check if the power supply cord is connected to the main unit. Check S1 operation. Replace the power unit. Replace PWB-A.

  • Page 168: Image Quality Troubleshooting

    Image Quality Troubleshooting • If an image quality problem occurs, replace the toner cartridge and drum cartridge with new ones, and then determine whether the cause of the problem is due to one of the car- tridges or another part of the main unit. Symptom Blank print Faulty PC drum...
  • Page 169 Symptom Cause Toner smudges on back- Dirty fusing roller side of paper Dirty image transfer roller Dirty paper transport path 0951o226 No toner in toner cartridge Low image density Faulty PC drum (end of service life) Poor developing bias Poor image transfer 0951o214 Foggy background Poor developing bias...
  • Page 170 Symptom Cause White/Black lines and Scratched PC drum bands Defective print head 0951o222 Offset image Defective fusing roller Faulty image transfer roller 0951o219 Remedy Replace the drum cartridge. Replace the print head unit. Replace the master board (PWB- Replace the controller control board.

  • Page 171: Index

    INDEX...

  • Page 173: Electrical Components

    Control Panel - magicolor 2300W 140 Control Panel Description Cancel Key 129 Menu Select Key 129 Control Panel Descriptions 129 Controller layout for 2300 W 42 Controller layout for 2300DL 40 Controller layout for 2350 41 DEVELOPING UNIT 53 Developing Unit...
  • Page 174 17H 164 18H 164 19H 164 1AH 165 1BH 165 21H 165 29H 165 2AH 165 2BH 165 2CH 165 Faulty warm-up detected 164 First Image Transfer 61 Foggy background 169 Fusing Roller Pressure 68 Fusing Section 67 Drive 68 Fusing Temperature Control 69 Fusing Unit Replacement 95 Grid 50...
  • Page 175 Manual Feed Tray 71 Paper Empty Detection 71 Take-Up 71 Media sizes 27 Media types 27 Memory configuration 29 Menu magicolor 2300 DL 133 magicolor 2350 138 Message Window 129 Misfeed detection timing 155 Misfeed-detecting sensors 154 Near-Empty Sensor 72 No power 167...
  • Page 176 1B 165 21 165 29 165 2A 165 2B 165 Service Calls 159 Service Mode magicolor 2300 DL 136 Service mode options magicolor 2300 DL 136 Space requirements 32 Specifications 27 CPU for 2300 29 CPU for 2350 30 Dimensions 27...

This manual is also suitable for:

Magicolor 2300 seriesMagicolor 2300dlMagicolor 2350Magicolor 2300w

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