1. Manuals
  2. Brands
  3. Samsung Manuals
  4. All in One Printer
  5. Office Master SCX-5312F
  6. Service manual

Samsung SCX-5312F Service Manual

Digital laser mfp
Hide thumbs Also See for SCX-5312F:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Driver Manual, User Manual
SERVICE
DIGITAL LASER MFP
DIGITAL LASER MFP
SCX-5312F
SCX-5112
MANUAL
3. Disassembly
CONTENTS

Advertisement

Table of Contents
loading

Related Manuals for Samsung SCX-5312F

Summary of Contents for Samsung SCX-5312F

  • Page 1: Table Of Contents

    DIGITAL LASER MFP SCX-5312F SCX-5112 SERVICE MANUAL CONTENTS DIGITAL LASER MFP 1. Precautions 2. Specifications 3. Disassembly 4. Troubleshooting 5. Exploded Views and Parts List 6. Block Diagram 7. Connection Diagram...
  • Page 2 ITSELF system Samsung Electronics Co., Ltd. VERSION NO. : 1.02 CODE : JC-0061A “http://itself.sec.samsung.co.kr” - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...
  • Page 3 Copyright Act. Specifications are subject to change without prior notice. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 5.

  • Page 4: Precautions

    The latches break easily : printer. release them carefully. 4. Use only the same type of part as original when To remove such parts, replacing parts. press the hook end of the latch away from the part to which it is latched. Samsung Electronics...

  • Page 5: Esd Precautions

    2. Be sure to replace the battery with the same or 4. Dispose of used batteries according to the manu- equivalent type recommended by the manufac- facture’s instructions. turer. Samsung Electronics...

  • Page 6: Troubleshooting

    Cotton Swab Standard: Equipment to check the weight of consum- Standard: For general home use, for medical service. ables(toner cartridge) supplied by Samsung Electron- ics. (The gram unit can be measured.) Cleaning Equipments a IPA(Isopropyl Alcohol)dry cloth or a soft stuff neutral detergent.

  • Page 7: Specifications

    Recommended System Requirement Pentium II 233 Mhz, 64 MB RAM, 120MB(Hard Disk) Minimum System Requirement Pentium II 400Mhz, 128 MB RAM, 220MB(Hard Disk) 16 characters X 2 lines Memory 4 Mbyte for flash Memory , 16 Mbyte for DRAM Samsung Electronics...

  • Page 8: Printer Specifications

    By Pass Tray : 100 Sheets(based on 75g/ß ≥ , 20lb) Paper Capacity(Output) Face Down : 250 Sheets Effective Print Width 203 ± 1mm (8 inch) 2-3 Facsimile Specification(SCX-5312F Only) Item Description Standard Recommendation ITU-T Group3(ITU : International Telecommunications Union)
  • Page 9 Zoom Range Platen : 25 ~ 400%(1% Step) ADF : 25~100 %(1% Step) NOTE : (1) Speed claims based on the test chart : Letter size. SDMP : Single Document Multiple Printout MDSP : Multiple Document Single Printout Samsung Electronics...
  • Page 10 Specification 2-6 Telephone Specification(SCX-5312F Only) Item Description 1Touch Dial 40EA(1~20 , shift key + 21~40) Speed Dial 80EA Tone/Pulse Tone only user modeTone/Pulse selectable in tech mode. 2-7 Consumables Item Description Type Separate type (Toner Cartridge / Drum Cartridge) Life...

  • Page 11: Disassembly And Reassembly

    5. Do not force to remove or planten plastic-material components. 6. Make sure all components are in their proper position. 3-2 Rear Cover 1. Remove the six screws securing the Rear Cover. 2. Separate the rear cover from the base frame and Scanner Ass'y. Samsung Electronics...
  • Page 12 Side Cover Ass’y cable. Shield Main Upper Front Cover Notice : You should connector remove the CCD cable vertically to avoid the CCD cable pin damage. 5. Remove two screws. 3. Remove the three screws, as shown below. Samsung Electronics...
  • Page 13 10. Pull the OPE Ass'y and unplug the one connector. 7. Remove the connector from the Platen Ass'y. 8. Open the ADF Ass’y in the direction of arrow. Pull the ADF Ass'y upward and remove it. 11. Remove the five screws securing the Platen Ass'y. Samsung Electronics...
  • Page 14 Therefore, you should always dismantle or assemble it at a clean place. 15. Remove the five screws and Dummy Scan- 13. Remove the two scews and pull the Dummy Lower. Upper Ass’y. Dummy Upper Ass’y Cover Dummy Lower Cover Scan Lower Samsung Electronics...
  • Page 15 17. Pull up the Shaft CCD and take out the Scanner 19. Remove the OPE Harness from the Platen Module. PBA. Remove two screws and take out the Platen PBA. Platen PBA OPE Harness Shaft CCD Pully Scanner Module Belt Samsung Electronics...
  • Page 16 5. Tack out he Open Cover. and Cover Side R and unlatch the Side Cover L by pushing the part hooked the Platen Cover using a sharp tool. Side Cover R Side Cover L Cover Open Platen Cover Ass’y Samsung Electronics...
  • Page 17 Disassembly and Reassembly 6. Take out the Pick-up Ass’y. 7. Remove three screws and take out the ADF Remove the four screws and the ADF Upper. Motor ass'y. Pick-up Ass’y ADF Upper Samsung Electronics...
  • Page 18 2. Remove ten screws securing the OPE PBA and the LCD Module from the OPE Cover. Caution The above information is for the SCX-5312 model. For the SCX-5112 model, “A” parts is eliminated. 3. Remove the contact rubbers from the unit. Samsung Electronics...
  • Page 19 Tray-Case from the Tray Link. The Tray Link (inner side). locates at an angle of 45˚ from the Side Cover Ass’y and then remove the Tray Link. MP Tray Tray Link Tray-Case Samsung Electronics...
  • Page 20 1. Unite the part and home to the projection 1. Take out the Transfer Roller, as shown below. part of the Side Cover assembly, and widen them from each other to dissemble the Side Cover Ass’y. Deplex Ass’y 3-10 Samsung Electronics...
  • Page 21 3. Unplug the one connector. 7. After remove the two screw and open the Lower Ass’y froward tack out the Heat Roller Ass’y from Upper Fuser Ass’y. 4. Remove the three screws and take out the Fuser Ass'y. Heat Roller Samsung Electronics 3-11...
  • Page 22 1. Before you remove the Cover Paper Exit Ass'y, 2. Remove two screws and Cover Paper Exit Ass'y, you should remove: as shown below. - Rear Cover (see page 3-1) - Scanner Ass'y (see page3-2) Cover Paper Exit Ass’y 3-12 Samsung Electronics...
  • Page 23 - Rear Cover (see page 3-1) - Shield Main Upper (see page 3-2) 2. Unplug the two connectors. (Main Motor:9pin, Duplex Solenoid : 2pin) Dust Fan 4. Remove the five screws and take out the Drive Ass'y. Drive Ass’y Samsung Electronics 3-13...
  • Page 24 - Rear Cover (see page 3-1) - Scanner Ass'y (see page 3-2) - Cover Paper Exit Ass’y(see page 3-12) 2. Remove three screws and take out the Shield SMPS Upper. 4. Remove the SMPS, as shown below. SMPS 3-14 Samsung Electronics...
  • Page 25 1. Before you remove the LSU, you should remove: 3. Remove the three screws and take out the LSU. - Rear Cover (see page 3-1) - Scanner Ass'y (see page 3-2) - Cover Paper Exit Ass’y (see page 3-12) 2. Unplug the two connectors. Samsung Electronics 3-15...

  • Page 26: Cover Exit Rear

    - Scanner Ass'y (see page 3-2) - Exit Ass'y (see page 3-12) Cover Exit Rear - Cover Paper Exit Ass’y(see page 3-12) - SMPS (see page 3-14) 2. Remove the one screw and take out the Panel Connect MPF. 3-16 Samsung Electronics...
  • Page 27 5. Remove the seven screws and take out the Main Frame Ass'y. Main Frame Ass’y Front Cover 3. Remove the Locker Deve, and then remove the one screw and the Cover Motor Bracket. Cover Motor Bracket Lock Deve Samsung Electronics 3-17...
  • Page 28 - Side Cover Ass'y (see page 3-9) 2. Unplug the two connectors. 5. Release the SMPS fit. Pull the MP Ass'y upward 3. Remove the one screw and take out the Dummy and remove it. Cover. MP Ass’y Dummy Cover 3-18 Samsung Electronics...
  • Page 29 - Side Cover Ass'y (see page 3-9) - Exit Ass'y (see page 3-12) - Cover Paper Exit Ass’y(see page 3-12) - LSU (see page 3-15) - Main Frame Ass’y (see page 3-17) 2. Remove the three screws. Feed Ass’y Samsung Electronics 3-19...
  • Page 30 - Shield Main Upper (see page 3-2) - Drive Ass'y (see page 3-13) 2. Unplug the three connectors. Guide Paper Out Pick-up Ass’y 3. Remove the two screws and take out the Cas- sette Rail. Cassette Rail 3-20 Samsung Electronics...

  • Page 31: Main Pba

    2. Remove the two screws and take out the Shield Main Lower. 4. Remove the one screw and unlatch the LIU PBA securing the main PBA and remove it. Shield Main Lower LIU PBA (Only SCX-5312F) Main PBA Samsung Electronics 3-21...

  • Page 32: Preventative Maintenance

    The service manual is bound the SCX-5312F and SCW-5112 together in one volume. The SCX-5312F has functions such as printer, copy, scanner, and fax. The SCX-5112 has all functions as the SCX-5312F but the fax function.

  • Page 33: Error Messages

    When the machine has encountered the drum Use little more change if “REPLACE life,14000 print pages. DRUM” is marked in LCD window. REPLACE DRUM When the machine has encountered the out of Replace the Drum Cartridge. from lifr, 15000 print pages. Samsung Electronics...
  • Page 34 Camp & Thermostat. Heating Error During operation, Temperatare does not go up. Check thermister contact point & Heating Lamp. Scanner Locked Scanner is locked by locker. Check locker. Connect the Flat-Cable. Samsung Electronics...

  • Page 35: User Mode

    The table in the bellow explains the possible setting functions by user. The details about the ways to use are explained in the user manual. In the service manual, the items are about the possible set-up by user. 4-3-1 SCX-5312F Function Item...

  • Page 36: Tech Mode

    To return to normal user mode, press MENU, #, 1, 9, 3, 4 in sequence again, or turn the power off, then on by unplugging and plugging the power cord. Options changed while in service mode do not remain changed unless you clear the machine’s memory. Samsung Electronics...
  • Page 37 Troubleshooting 4-4-2 Setting-up System in Tech Mode 4-4-2-1 SCX-5312F(SETUP : #, 1, 9, 3, 4) Function Item Content SYSTEM DATA DIAL MODE TONE / PULSE MODEM SPEED ERROR RATE 5% /10% SET TX LEVEL 09-15 SILENCE TIME 12 / NU / OFF...
  • Page 38 PATTERN1-7, QAPATTERN1-4 , ALL CLEAR COUNT PASSWORD CRU PRINTS COUNT FLT SCAN COUNT ADF SCAN COUNT USED DRUM COUNT USED TONER COUNT TOTAL PAGE COUNT ADJUST SHADING FLASH UPGRADE REPORTS SYSTEM DATA HELP LIST HELP LIST ERROR CODE Samsung Electronics...

  • Page 39: System Data

    2. Push the ENTER button. 3. Select you country. 4. Push the ENTER button then it will be all memory clear. . NOTICE : Always perform the memory clear after replace the main board. Otherwise, the system may not operate properly. Samsung Electronics...
  • Page 40 4. If the printed image is different to the image, the CCD is defect. NOTICE : When you test CCD, make sure that the cover is closed. ANSWER ON CNG The function is to control the CNG TONE cognition times for entering receiving mode from the AUTO MODE or ANS/FAX MODE Samsung Electronics...
  • Page 41 If no transmission signal sound is heard, it means that the modem part of the main board is poor. SWITCH TEST Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window each time you press a key. 4-10 Samsung Electronics...
  • Page 42 R TSI 2020202020202020202020202O20202020202020 R DCS 00000000 01100001 00010101 00000000 S CFR R MPS S MCF S DCN HELP It shows a brief description on the machine's basic functions and commands. Use it as a quick reference guide Samsung Electronics 4-11...

  • Page 43: Firmware Upgrade

    3. Search Firmware file to update with Browse Icon. 4. Click Update icon, firmware file is transmitted to Printer automatically and printer is initialized when it fin- ished. 5. Click Refresh icon and check what is updated. 4-12 Samsung Electronics...
  • Page 44 2. A sending fax must be set up as ECM mode, and a receiving memory must be set up as 100%. If not, the function operates abnormally. 4-4-8 Identify Sale Date(Only SCX-5312F) This function confirms the date that consumer buys product and use product by first actually.

  • Page 45: Engine Test Mode

    F or SMD T est, Pus h up k ey : Next function All Function Test All Function : No.0~4 4-5-3 ENGINE PRINT When the function is on, sentence to explain the condition of engine is printed in the below section of the print- ing output. 4-14 Samsung Electronics...

  • Page 46: Troubleshooting

    Motor, and check the any mechanical dis- turbance in the CCD carriaging part. • Check the Motor Driver in Driver PBA. • If any driver is defective, replace it. - U55-1 or U55-15 = 0V to 24V swing signal when operating. Samsung Electronics 4-15...
  • Page 47 Motor, and check the any mechanical dis- turbance in the CCD carriaging part. • Check the motor driver in Driver PBA. • If any driver is defective, replace it. - U55 or U56-1 = 0V to 24V swing signal when operating. 4-16 Samsung Electronics...
  • Page 48 Troubleshooting 4-6-2 FAX(only SCX-5312F) 4-6-2-1 FAX/TELEPHONE Precautions PROBLEM ITEMS TO BE CHECKED. HOW TO SOLVE TEL LINE CANNOT BE • When you press “ OHD” key: a) insert it correctly into the connection ENGAGED jack called “line”. (NO DIAL TONE) a) Check line cord connection.

  • Page 49: Print Quality

    1. LSU light power normal? 1. Check the rated level and replace. 2. Bias voltage output is high? 2. Set to power rating. 3. Video data is always supplied? 3. Replace defected board. Digital Printer Digital Printer 4-18 Samsung Electronics...
  • Page 50 3. Re-check after putting the machine in the ture for a long time? warm place for certain period. Partial blank image 1. Toner is low? 1. Replace Toner cartridge. (not periodic) 2. The toner cartridge is out of position? 2. Checkand adjust. Samsung Electronics 4-19...
  • Page 51 Supply Roller 35.8 mm Horizontal dark band Develope Roller 44.8 mm Horizontal dark band Transfer Roller 57.8 mm Black side contamination/transfer fault Heat Roller 82.5 mm Black spot, White spot Pressure Roller 69.1 mm Black side contamination 4-20 Samsung Electronics...
  • Page 52 LSU transit to High/Low the defective component when printing? or board The mirror in LSU might be misplaced so the light path to the OPC deviates ->Repair or replace LSU or remove any defective matters in the machine Samsung Electronics 4-21...
  • Page 53 This could occurs when he power of LSU is low or life the density is low due to the obstacles on the window -> Replace LSU or clean the window Replace the toner cartridge 4-22 Samsung Electronics...
  • Page 54 -> Repair or replace the boards Replace LSU Is charge voltage supplied Repair or replace HVPS from HVPS? Is the Hsync/ signal received Replace LSU in LSU? Charge part's contact is bad -> Repair or replace toner cartridge Samsung Electronics 4-23...
  • Page 55 OPC of Check both if the toner cartridge's developer and LSU prevent the counter is over its guaranty and path -> Remove the obstacles amount of the toner material -> Replace the toner cartridge 4-24 Samsung Electronics...
  • Page 56 Toner over supply due to the Works adjustment fault of metering correctly after blade in developer replaced LSU? -> Replace developer The power of LSU is set high or internal problem -> Replace LSU or adjust volume Samsung Electronics 4-25...
  • Page 57 Check if the LED of PTL in front of the transfer roller is on when it presses the top cover switch on purpose -> If not, replace PTL Internal blade or supplying part of the developer is defective -> Replace the toner cartridge 4-26 Samsung Electronics...
  • Page 58 OK? (-300V) HVPS Operating/storage There may be a problem in toner temperature is too low or layer control in toner cartridge not recommended -> Replace the developer paper used? Use the machine with recommended paper and at condition Samsung Electronics 4-27...
  • Page 59 Check toner is stuck onto since the obstacles toner material dropped the P/R or H/R in fuser stuck to charge roller onto the paper -> -> Clean it or replace -> Clean the Charge Roller Replace the developer and then reprint. 4-28 Samsung Electronics...
  • Page 60 (38mm) -> Repair/replace HVPS, developer The OPC is damaged due to Heat roller is ruined the irregular transfer voltage -> Replace the roller of HVPS -> Repair/replace HVPS -> If the same problem persists, replace the developer Samsung Electronics 4-29...
  • Page 61 Bad images Any obstacles supply from developer around the no image on the PTL lamp? -> Replace developer area? Light distortion due to Clean the window of PTL the mirror ruined or LSU's diffused reflection -> Replace LSU 4-30 Samsung Electronics...
  • Page 62 Obstacles stuck on OPC's D/R in developing unit has surface the defect -> Clean the OPC and -> Replace the developer machine or replace developer When putting in/out the developer, scratch is made -> Replace the developer Samsung Electronics 4-31...
  • Page 63 Other parts are touching the When multi-page OHP printng, fan and prevents it from less than 10 films are revolution guranteed. (Reduce the -> Check and repair number of films and re-insert after paper check LED if off) 4-32 Samsung Electronics...
  • Page 64 3 Kg) 3.5mm? Replace the control The paper used is too component on Main thick or contains too much cotton in it -> Re-test with the Check any contact recommended paper problem in thermistor and repair Samsung Electronics 4-33...
  • Page 65 Clean around fuser. 2. Paper is curled in the exit cover?. 2. Check locking works wells. Watch whether the ribs of exit cover hace any burr or resisitive edge. If they do, remove obstacles or replace. 4-34 Samsung Electronics...
  • Page 66 1. Check whether the Reg. sensor is working or not. ADF. 2. Check whether the Feed Roller is working or not. Does it curl while coming out? 1. Check the Open Cover whether there are bosses. 2. Check the ADF ass'y is well assemble. Samsung Electronics 4-35...
  • Page 67 -> Replace the boards Detect failure due to the Repair/replace the Remove the shortage board which detects side board or replace the board cover open or switch error -> Replace the board or switch 4-36 Samsung Electronics...

  • Page 68: Fuser Error

    If not check the CN4 on the power board. The voltage of pin #60 of U36 Thermistor, connecting point or engine (CPU) on the Main PBA board defect -> Repair/replace the is about 2.65V when component/board printing? Samsung Electronics 4-37...
  • Page 69 Switch them Does the Pull out the Paper end curled? extender pulled out? extender <Recommendation> Use the recommended Use the MPF for the thick and quality paper paper such as envelope and cardstock 4-38 Samsung Electronics...
  • Page 70 Adjust the paper guides to fit the or sensitive paper to is grounded Check paper width static electricity? the shutter prevents feeding The force of springs pressing the developer is weak -> Check guide-DEVE Use the recommended paper Samsung Electronics 4-39...
  • Page 71 (Main B'D to LSU) Check Main B'D CN7-9, Replace Main PBA P_MOTOR Signal Check Main B'D CN7-8, Replace LSU LREADY Signal Check Main B'D CN7-4, Replace Main PBA LDON Signal Check Main B'D CN7-1, Replace LSU HSYNC Signal 4-40 Samsung Electronics...
  • Page 72 4-6-5 Toner Cartridge and Drum Cartridge Service It is not guaranteed for the default caused by using other toner and Drum Cartridge cartridge other than the cartridge supplied by the Samsung Electronic or caused by non-licensed refill production. Precautions on Safe-keeping of the Drum Cartridge Excessive exposure to direct light more than a few minutes may cause damage to the cartridge.

  • Page 73: Signs And Measures At Poor Toner Cartridge

    2. Check whether it could be recycled. contaminated with toner. (1)Check whether foreign sub- stances or toner are stuck to the terminal (contact point) of the developer. (2)Check whether the state of the terminal assembly is normal. 4-42 Samsung Electronics...
  • Page 74 (contact point) of the cled over 2 times. developer. (2)If toner nearly being expired are col- (2)Check whether the state of the lected to use, it is judged as the recycled terminal assembly is normal. developer. Samsung Electronics 4-43...
  • Page 75 Clean the terminals of the nal(point of contact) of the charged roller, then recheck it. developer and the state of assembly. (Especially check the charged roller terminal.) 4-44 Samsung Electronics...

  • Page 76: The Cause And Solutions Of Bad Environment Of The Software

    Turn the PC and printer off, and reboot the system to print again. If not solved, double-click the printer in my computer If the regular fonts are not printed this time again. the cable must be defective so replace the cable with new one. Samsung Electronics 4-45...

  • Page 77: Abnormal Printing

    Before choosing the document, the menu is still inactive. Or put the document out of the list and repeat the routine as in the above or finish the spool manager. 4-46 Samsung Electronics...

  • Page 78: Exploded Views And Parts List

    Exploded Views and Parts List Appendix information The following list shows different materials by model. The material codes mentioned in themanual are subject to change without prior notice. For the latest exact information, see ITSELF SYSTEM. (http://itself.sec.samsung.co.kr) •SCX-5312F/XAA •SCX-5112/XAA DESCRIPTION SEC.CODE...
  • Page 79 Exploded Views and Parts List •SCX-5312F/XEC •SCX-5112/XEC DESCRIPTION SEC.CODE DESCRIPTION SEC.CODE AS-SCANNER ASS’Y(FRU) JC81-00691E AS-SCANNER ASS’Y(FRU) JC81-00742E AS-PLATEN ASS’Y(FRU) JC81-00690C AS-PLATEN ASS’Y(FRU) JC81-00745E AS-OPE COVER ASS’Y(FRU) JC81-00689C AS-OPE COVER ASS’Y(FRU) JC81-00748E PMO-COVER OPE(C) JC72-00796E PMO-COVER OPE(C) JC72-00944E PCT-ONETOUCH PAPER JC72-00872E...
  • Page 80 5-10.Pick-up Ass’y Exploded View & Parts List ....page(5-24) 5-11. Drive Ass’y Exploded View & Parts List......page(5-26) 5-12. Main Frame Ass’y Exploded View & Parts List....page(5-28) 5-13. FuserAss’y Exploded View & Parts List......page(5-30) 5-14. Screw ..................page(5-32) Samsung Electronics...

  • Page 81: Exploded Views And Parts List

    Exploded Views and Parts List 5-1. Main Exploded View & Parts List Samsung Electronics...
  • Page 82 ELA HOU-DRIVE ASS’Y JC96-02181A MEA UNIT-COVER REAR ASS’Y JC97-01557A 18-1 PMO-COVER SIMM,XRX JC72-41224B 18-2 PMO-COVER REAR JC72-00788A PBA MAIN-MAIN JC92-01354A SCX-5312F PBA MAIN-MAIN JC92-01399A SCX-5112 PMO-CONNECT PAPER MFP JC72-00782A SCX-5312F PMO-CONNECT PAPER MFP JC72-00782B SCX-5112 ELA HOU-DUCT FAN JC96-02311A 21-1...
  • Page 83 Exploded Views and Parts List Main Parts List (Cont.) ( SA. : Service Available ) DESCRIPTION SEC CODE Q’TY REMARK PBA SUB-LIU JC92-01355A ONLY SCX-5312F PMO-DUMMY BASE FRAME JC72-00789A IPR-SHIELD MAIN LOWER JC70-00245A PMO-COVER FEED AY JC72-00801A PMO-COVER BRKT MOTER JC72-00834A...

  • Page 84: Platen Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-2. Platen Ass’y Exploded View & Parts List 1-1-1 1-1-2 1-1-3 SCX-5112 1-1-4 SCX-5312F SCX-5312F 1-5-1 SCX-5112 1-5-2 2-17 2-16 2-15 2-14 2-7-3 2-13 2-19 2-7-3 2-7-4 2-18 2-21-1 2-7-5 2-7-6 2-20 2-7-2 2-22 2-7-1...
  • Page 85 Exploded Views and Parts List 3-21 3-15 3-10 3-12 3-13 3-15 3-16 3-12 3-14 3-11 3-11 3-17 3-18 3-10 3-9 3-19 3-13 3-20 3-14 SCX-5312F SCX-5112 Samsung Electronics...
  • Page 86 ICT-SHAFT CCD JC70-00253A 2-18 PMO-LEVER SENSOR JC72-00755A 2-19 IPR-BRK SCAN B'D JC70-00228A 2-20 SPRING ETC-EXIT JB61-70939A 2-21 ELEC/MECH-SCANNER MODULE JC96-02105A 2-21-1 AS-LAMP CCD JC81-00783A 2-22 CBF SIGNAL-CCD FFC JC39-00188A O : Service available X : Service not available Samsung Electronics...
  • Page 87 Exploded Views and Parts List SCX-5312F (OPE) DESCRIPTION SEC CODE Q’TY REMARK ELA HOU-OPE COVER ASS’Y refer to the table PMO-COVER OPE(C) refer to the table PCT-LCD WINDOW refer to the table PMO-COVER DUMMY OPE(M) refer to the table PCT-ONETOUCH PAPER...

  • Page 88: Exploded Views And Parts List

    Exploded Views and Parts List 5-3. ADF ASS’Y Exploded View & Parts List 1-6-2 1-6-6 1-6-1 1-6-3 1-6-5 1-6-4 1-12 1-13 1-10 1-15 1-11 3-16 3-22 4-11 3-21 3-17 4-10 3-19 3-18 3-23 3-12 3-11 3-20 3-10 3-14 3-13 3-13 3-15 Samsung Electronics...
  • Page 89 6044-000159 GEAR-ADF 38 JB66-00103A PMO-BUSH JB72-00819A MEC-ROLLER DRIVER JC75-00149A PMO-COVER ADF LOWER JC72-00735A PMO-ACTUATOR SENSOR DOC. JB72-00837A PMO-ACTUATOR SENSOR REGI JC72-00747A MEC-ROLLER EXIT JC75-00150A 3-10 PMO-BUSHING HOLDER JG72-40732A O : Service available X : Service not available 5-10 Samsung Electronics...
  • Page 90 IPR-BRKT ADF MOTOR PMO-WHITE CLUTCH SUB 29 GEAR-CLUTCH 39 GEAR-IDLE 20/33 RING-C GEAR-IDLE 17/35 GEAR IDLE 25 MOTOR ADF 4-10 GEAR-JAM REMOVE 4-11 GEAR REDUCTION45/19 MEC UNIT-PICK UP ASS’Y JC97-01582A O : Service available X : Service not available Samsung Electronics 5-11...

  • Page 91: Side Cover Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-4. Side Cover Ass’y Exploded View & Parts List 1-4 1-4 11-4 1-10 1-11 1-10 1-13 10-2 10-7 10-3 10-4 10-6 10-5 10-1 5-12 Samsung Electronics...
  • Page 92 10-7 LABEL(R)-HEIGHT,MP CBF HARNESS-OPE GND JC39-00036A PMO-TIE STOPPER JC72-00766A IPR-BRKT GROUND B JC70-00230A IPR-BRKT GROUND TR JC70-00231A IPR-BRKT GROUND A JC70-00232A IPR-BRACKET GUIDE B JC70-00234A PMO-BUSHING FEED JC72-00730A O : Service available X : Service not available Samsung Electronics 5-13...

  • Page 93: Cassette Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-5. Cassette Ass’y Exploded View & Parts List 5-14 Samsung Electronics...
  • Page 94 PMO-FRAME CASSETTE PMO-GUIDE FRONT CST PMO-GUIDE REAR JC72-00717A PMO-GUIDE/SIDE CST JC72-40967D PMO-LOCKER PLATE JC72-41210A PRP-PAD CST JC73-10910A SPRING-LOCKER PLATE JG61-70531A SPRING-PLATE K/UP JC61-00455A LABEL(R)-INSTRUCTION CST LABEL(R)-HEIGHT CST PMO-IMPACT CASSETTE O : Service available X : Service not available Samsung Electronics 5-15...

  • Page 95: Exit Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-6. Exit Ass’y Exploded View & Parts List 5-16 Samsung Electronics...
  • Page 96 ICT-SHAFT-EXIT LOWER ID PMO-ROLLER_EXIT SPRING-EXIT ROLL FD PMO-HOLDER EXIT ROLL PMO-ROLLER FD F PMO-ROLLER FD R SPRING-EXIT LOWER IDLE MEC- BRUSH ANTISTATIC JC75-00095A PBA SUB-BIN-FULL SENSOR E-RING PMO-LEVER STACKING JC72-00709A O : Service available X : Service not available Samsung Electronics 5-17...

  • Page 97: Feeder Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-7. Feeder Ass’y Exploded View & Parts List 5-18 Samsung Electronics...
  • Page 98 PMO-ROLLER FEED JC72-00727A PMO-HOLDER PINCH C PMO-HOLDER PINCH SUB PMO-ROLLER FEED L SPRING-FEED CAST PMO-HOLDER PINCH M PMO-SUB HOLDER FEED SPRING-FEED MP WASHER-PLAIN PMO-ROLLER FEED S IPR-SHAFT FEED IDLER O : Service available X : Service not available Samsung Electronics 5-19...

  • Page 99: Mp Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-8. MP Ass’y Exploded View & Parts List 5-20 Samsung Electronics...
  • Page 100 PMO-HOLDER PAD,MP JC72-00771A PMO-HOLDER SENSOR,MP JC72-00772A PMO-HOUSING PICK UP,MP PMO-PLATE KNOCK UP,MP PMO-IDLE PICK UP,MP JC72-41027A RPR-RUBBER PICK UP,MP RPR-RCT-PAD-PICKUP,MP JC73-00090A RPR-PAD KNOCK UP,MP JC73-10906A PBA SUB-MP SEN JC92-01362A O : Service available X : Service not available Samsung Electronics 5-21...

  • Page 101: Base Frame Exploded View & Parts List

    IPR-CHANNEL BASE FRAME IPR-GROUND PLATE A(OPC) JC70-00240A IPR-GROUND PLATE B(BASE) JC70-00241A PMO-BASE FRAME PMO-BRACKET PUSH DEVE PMO-BRACKET SIDE OPEN JC72-00781A PMO-COVER FRONT DUMMY ELA M/MEDIO AUD-SPEAKER JC96-01607A Only SCX-5312F O : Service available X : Service not available 5-22 Samsung Electronics...

  • Page 102: Pick-Up Ass'y Exploded View & Parts List

    PMO-HOLDER SENSOR FEED PMO-LENS TONER SENSOR PMO-PTL PATH PMO-SHAFT PICK UP RPR-RUBBER PICK UP JC73-00086A SPRING-PICKUP JC61-00482A PBA SUB-FEED+P.EMP SEN. JC92-01363A PBA SUB-PTL JC92-01361A PBA SUB-TONER_TX JC92-01359A A/S MATERAL-PICKUP,CST JC81-00428A O : Service available X : Service not available Samsung Electronics 5-23...

  • Page 103: Drive Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-11. Drive Ass’y Exploded View & Parts List 5-24 Samsung Electronics...
  • Page 104 GEAR-SWING DRV GEAR-35/19 GEAR-71/23 GEAR-DEVE DRV PMO-DEV/COUPLING GEAR-RDCN,OPC GEAR-86/23 GEAR-RDCN FEED OUTER GEAR-HUB CLUTCH GEAR-RDCN FEED INNER GEAR-FEED DRV GEAR-OPC DRV GEAR-GEAR FUSER DRV OUTER GEAR-FUSER DRV INNER RING-E O : Service available X : Service not available Samsung Electronics 5-25...

  • Page 105: Main Frame Ass'y Exploded View & Parts List

    Exploded Views and Parts List 5-12. Main Frame Ass’y Exploded View & Parts List 29.30 5-26 Samsung Electronics...
  • Page 106 PBA SUB-EXIT SENSOR JC92-01364A PBA SUB-TONER_RX JC92-01360A GEAR-EXIT/U,ID GEAR-EXIT,IDLE(Z17) CBF-HARNESS THERMISTOR_JOINT JC39-00164A PMO-HOUSING TERMINAL IPR-TERMINAL FU PMO-CAP CONNECTOR L JC72-00463A PMO-CAP CONNECTOR U JC72-00465A ELA HOU-MOTOR GND SPRING-CLUTCH RING-CS O : Service available X : Service not available Samsung Electronics 5-27...

  • Page 107: Fuserass'y Exploded View & Parts List

    Exploded Views and Parts List 5-13. FuserAss’y Exploded View & Parts List 23-3 23-4 23-2 23-1 5-28 Samsung Electronics...
  • Page 108 PMO-GUIDE INPUT IPR-GROUND FU MEA UNIT-ACTUATOR ASS’Y JC97-01611A 23-1 PMO-ACTUATOR EXIT 23-2 PMO-GUIDE DUPLEX 23-3 PMO-ARM ACTUATOR 23-4 GUIDE REMOVE SPRING-ACTUATOR LABEL(R)CAV_HOT.FU LABEL(R)-LV FUSER 110V LABEL(R)-HV FUSER 220V O : Service available X : Service not available Samsung Electronics 5-29...
  • Page 109 6006-000127 SCREW-ASS’Y MACH “WS,PH,+,M3,L6,ZPC(YEL),MSWR15” 6001-000568 SCREW-MACHINE “PH,+,M3,L8,NI PLT,SM20C,-” 6002-000175 SCREW-TAPPING “PWH,+,2,M3,L8,ZPC(YEL),SM20C” 6002-000351 SCREW-TAPPING “PH,+,2,M2,L8,ZPC(YEL),SM20C” 6003-000119 SCREW-TAPTITE “BH,+,B,M3,L8,CBLACK,SWRCH18A” 6003-000196 SCREW-TAPTITE “PWH,+,B,M3,L10,NI PLT,SWRCH18A” 6003-000198 SCREW-TAPTITE “PWH,+,B,M3,L12,ZPC(YEL),SWRCH1” 6003-000221 SCREW-TAPTITE “PWH,+,S,M4,L8,ZPC(YEL),SWRCH18” 6003-000266 SCREW-TAPTITE “PWH,+,S,M3,L6,ZPC(YEL),SWRCH18” 6003-000269 SCREW-TAPTITE “BH,+,S,M3,L6,ZPC(YEL),SWRCH18A” 6003-001256 SCREW-TAPTITE “BH,+,B,M4,L10,NI PLT,SWRCH18A” 5-30 Samsung Electronics...
  • Page 110 Block Diagrams 6. Block Diagrams SUPPLY MAIN BLADE Only SCX-5312F SPGPe+ SMPS / HVPS MICOM ARM7TDMI - LCD Drive +5V/+24V/+12V/+24Vs/Fuser UART * 2 - Key Scan Back-up Part MEMORY I/F MOTOR SRAM (32KB) MOTOR 1 DRIVER CACHE (8K) MOTOR 2...

  • Page 111: Connection Diagram

    220V f or EU SCAN NER PART DET ECT 1. +5V 2. SI GN AL SENSOR I N-LET 3. GND _5 MO TOR (ONLY SCX-5312F) 1. +5V POSI ON HEAT 1. ADF _A SI GN AL REMARK SENSOR 2. ADF _NA...
  • Page 112 Connection Diagrams Memo Samsung Electronics...
  • Page 113 Repair Manual Repair Manual Digital Laser SCX-5312F/SCX-5112 CONTENTS 1. Block Diagram 2. Connection Diagram 3. Circuit Description 4. Schematic Diagrams...
  • Page 114 - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...
  • Page 115 This manual is made and described centering around circuit diagram and circuit description needed in the repair center in the form of appendix. Samsung Electronics Digital Printing CS Group Copyright (c) 2001. 11...

  • Page 116: Block Diagram

    BLOCK DIAGRAM 1. Block Diagram Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 117: Connection Diagram

    T EL LI NE SENSOR SWITCH 3. +24V 3. GND _5 13. RE CA LL 14. nE_DP 4. +24VS FOR LS U + 5V S CUT (ONLY SCX-5312F) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 118: Circuit Description

    (3 CH) 45.3928 MHz OPE PANEL INTERFACE JBIG Engine Comm. I/F OSC. INTERFACE IC LRAM:1296B 48 MHz (UNICON) CXRAM:256B HPVC RAM : 512B 512B+512B <Block Diagram> Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 119 VCC RISING/FALLING 4.5°≠4.6V RESET TIME (Td) 1.48~1.52ms • Td=(Ct*V sensing)/I charge (...Ct=33µF, Is=100µA) 2) TIMING CHART and SENSE Threahold Voltage 3.6V RESET Output Output Undefined Undefined Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 120 " CPU Data Bus 20 " DATA21 " CPU Data Bus 21 " Vddi 3.3 V DATA22 Input CPU Data Bus 22 PHBTT8, 8 mA Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 121 PHOB4 AVdd Vcca Analog 3.3 V AVin[0] Analog Input 0 PICA AVin[1] Analog Input 1 " AVss Vssa Analog Gnd AVssAVin[2] Analog Input 2 PICA Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 122 Data Strobe PHIL, ST Vsso 5 V Gnd RxD1 / CTin[2] Uart 1 Rx Data PHIL, ST TxD1 Uart 1 Tx Data PHOB4, 4 mA Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 123 PHOB4, 4 mA Vddo nDRAMCAS0 DRAM Cas Strobe 0 PHOB8, 8 mA nDRAMCAS1 " DRAM Cas Strobe 1 " nDRAMCAS2 " DRAM Cas Strobe 2 " Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 124 DRAM Data Bus 10 " DRAMD11 " DRAM Data Bus 11 " Vssp 5 V Gnd DRAMD12 Input DRAM Data Bus 12 PHBTT12, 12mA Vddp Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 125 DRAM Address Bus 0 PHOB8, 8 mA DRAMA1 " DRAM Address Bus 1 " DRAMA2 " DRAM Address Bus 2 " DRAMA3 " DRAM Address Bus 3 " Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 126 Address Bus 6 for ROM " ADDR7 " Address Bus 7 for ROM " Vssi 3.3 V Gnd ADDR8 Address Bus 8 for ROM PHOB8, 8 mA Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 127 Capacitor is connected CPU Test Mode : CPUTEST PHILD50, ST Tied to Gnd nRESET Reset Input PHIL, ST nRSTOUT Reset Output PHOB8, 8 mA Repair Manual 3-10 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 128 LED will scroll and the PROGRAM DOWNLOAD MODE will be activated. In this mode, you can download the pro- gram through the parallel port. MCLK A23-2 nROMCS ACC+1 SETUP HOLD <Write Timing Diagram for Two Beat Burst Cycle> Repair Manual 3-11 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 129 Next bank3 Bas e bank2 Next bank2 Bas e bank1 Next bank1 Bas e bank0 Next bank0 Bas e 0x0000000 <DRAM Bank Configuration> Repair Manual 3-12 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 130 MCLK nRAS nCAS column address column address r ow address DRAMA dat a 0 dat a 1 DRAMD Tcas Tcas <FPM Read Timing Diagram> Repair Manual 3-13 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 131 # register cycle # register 40 ns FPM 50 ns FPM 58Mhz 60 ns FPM 70 ns FPM <SFR Values Example for FPM> Repair Manual 3-14 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 132 5Mhz MCLK nRAS nCAS column r ow address column DRAMA data 0 data 1 DRAMD Tcas Tcas <EDO Read Timing Diagram> Repair Manual 3-15 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 133 # register cycle # register 40 ns EDO 50 ns EDO 58Mhz 60 ns EDO 70 ns EDO <SFR Values Example for FPM> Repair Manual 3-16 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 134 WRITE respectively. /IRQ is a signal for modem interrupt. Transmission speed of FM336 is supported up to 33.6k. The modem is connected to LINE through transformer directly. < FAX TRANSCEIVER > Repair Manual 3-17 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 135 1 024 x 8 n CS n RD n WR A [ 5 : 0] D [ 15 : 0] n XDREQ n XDACK <Block Diagram> Repair Manual 3-18 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 136: Key Features

    : 25 ~ 800% by 1% unit • Vertical direction : 25 ~ 100% by 1% unit (2) Scaling data memory : 2x8Kx8bits = 128Kbits (internal) Repair Manual 3-19 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 137 Scanner PI1 , PI2 Tx_A, Tx_B, DAT A- BUS DAT A- BUS n Tx_A, nTx_B CIP3 D OCU MENT IMAGE <External interface with CIP3> Repair Manual 3-20 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 138 TX_EN1, EN2 Interface CPU I/F CIP3 SRAM Mod ule Register 1 024 x 8 nRD nWR A[5:0] D [15:0] nXDREQ nXDACK <Block diagram of CIP3> Repair Manual 3-21 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 139: Host Interface

    PC are all processed through this part. PPD( 7: 0) DATA BUSY nSTROBE nACK <Compatibility Hardware Handshaking Timing> Repair Manual 3-22 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 140 7. Host sets nAUTOFD low to indicate that it is ready for the next byte 8. The cycle repeats, but this time it is a command cycle because BUSY is low Repair Manual 3-23 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 141: Usb Interface

    • 8-bit parallel interface with two selectable modes : non-multiplexed • multiplexed (Intel compatible) • DMA support for parallel interface • MICROWIRE/PLUS Interface • 28-pin SO package Repair Manual 3-24 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 142 D[7:0] ADDRESS ADDR 0x3F REGISTERFILE <Non-Multiplexed Mode Interface Block Diagram> D[7:0] input vvrte Address Read Data Burst Read Data <Non-Multiplexed Mode Basic Timing Diagram> Repair Manual 3-25 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 143 ‘nHSYNC’ signal (pulse) and the CPU forms the left margin of the image using this signal (horizontal synchronous signal). Repair Manual 3-26 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 144: High Voltage Power Supply

    While the supply roller energized with -450V by HVPS and the developer roller energized with -300V rotate in the same Repair Manual 3-27 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 145 4) Transfer ‘+’ Output (Enable) Unit: THV(+)(Transfer High Voltage(+)) 5) Transfer ‘-’ Output (Enable) Unit: THV(-)(Transfer High Voltage(-)) 6) Switching Unit 7) Feedback Unit 8) Regulation Unit 9) Output Unit Repair Manual 3-28 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 146: Repair Manual

    CONTROL UNIT FEEDBACK <MHV Output unit Block Diagram> BIAS-PWM BLADE REGULATION SWITCHING CONTROL UNIT TRANS CIRCUIT CONTROL UNIT SUPPLY FEEDBACK <BIAS Output Unit Block Diagram> Repair Manual 3-29 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 147 R510 7407 2.2K R503 U101-B C501 R504 R512 100KF KA324 56.6KF MGR1/2W 12MF C504 R516 R511 R502 C502 MGR1/2W 50K R507 1W 3 12KF Repair Manual 3-30 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 148 R304 R306 100KF C305 R314 R311 389KF 26.1KF KA324 333Z 100KF 1.7K C302 C303 D302 R305 1N4148 R301 10KF 470K C304 500V103Z VR301 C301 Repair Manual 3-31 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 149 CPU, the transfer voltage output will differ according to the preset transfer table. The changes in transfer output required by each load is controlled by PWM-DUTY. Repair Manual 3-32 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 150 • Machine status LED drive signals are sent from U1 LED0~LED7. RESONATOR 7.37 MHz UART2 16 X 2 Line MICOM Connector Reset Z8601 Key Matrix LEDs <OPE BLOCK DIAGRAM> Repair Manual 3-33 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 151: Liu Pba

    • CTR 21 does not have telephone capability but has the number 3 and 4 Line Connection. No DP condition but possibility to get approval only on DTMF Dial based terminal. Repair Manual 3-34 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 152 Refer to load short and when output shorted the range of when output shorted overload protection 23) for 5 sec. 3.5A~6.5A for 5 sec. Repair Manual 3-35 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 153 AC Neutral L501 R503 Zero crossing circuit Logic Unit Fuser On C502 THY501 R505 SMPS Unit R502 U501 CON502 DC Power <Fixed Lamp Control Circuit> Repair Manual 3-36 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 154 When triac commutes off-line, the volt- age of both ends of triac will have the same voltage as the line voltage. Inductive I <Inductive Circuit> Repair Manual 3-37 Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 155: Schematic Diagrams

    SCHEMATIC DIAGRAMS SCHEMATIC DIAGRAMS 4. Schematic Diagrams 4-1 Main Circuit Diagram (1/14) Repair Manual Repair Manual Samsung Electronics Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 156 SCHEMATIC DIAGRAMS Main Circuit Diagram (2/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 157 SCHEMATIC DIAGRAMS Main Circuit Diagram (3/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 158 SCHEMATIC DIAGRAMS Main Circuit Diagram (4/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 159 SCHEMATIC DIAGRAMS Main Circuit Diagram (5/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 160 SCHEMATIC DIAGRAMS Main Circuit Diagram (6/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 161 SCHEMATIC DIAGRAMS Main Circuit Diagram (7/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 162 SCHEMATIC DIAGRAMS Main Circuit Diagram (8/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 163 SCHEMATIC DIAGRAMS Main Circuit Diagram (9/14) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 164 SCHEMATIC DIAGRAMS Main Circuit Diagram (10/14) Repair Manual 4-10 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 165 SCHEMATIC DIAGRAMS Main Circuit Diagram (11/14) Repair Manual 4-11 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 166 SCHEMATIC DIAGRAMS Main Circuit Diagram (12/14) Repair Manual 4-12 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 167 SCHEMATIC DIAGRAMS Main Circuit Diagram (13/14) Repair Manual 4-13 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 168 SCHEMATIC DIAGRAMS Main Circuit Diagram (14/14) Repair Manual 4-14 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 169 0.25W ARS1-3 : OPTION (BLK) 180K, 1/4W /250V (BRW) 120K /250V 1K,1% 2.74K, 1% (RED) (ORG) 0.22UF/16V /16V /16V 600:600 (BLU) (YEL) (GRN) 15nF/400V Repair Manual 4-15 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 170 SCHEMATIC DIAGRAMS 4-3 OPE Circuit Diagram Repair Manual 4-16 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 171 R516 R502 C502 R511 C504 MGR1/2W 50K R507 D501 1W 3 12KF 1N4148 R517 MGR1/2W 15MF 24VS U102 KA7818 C102 C103 C104 35V 47uF Repair Manual 4-17 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 172 C305 R306 CON03-#20 R316 U101-D 100KF R304 26.1KF KA324 200KF C303 R317 R305 9.53KF C302 R301 D302 470K 1N4148 C304 500V 103 INDEX C301 Repair Manual 4-18 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 173 1/8W680J 50V471J +24V ZD1 ZD-500MW30V ZD-500MW6.2V 1/8W1KJ RD1/8W01.5KJ 1/8W5.6KJ 50V683J +24S 1/8W1KJ 1/8W10KJ FUSER_ON 1.2KJ PC-123 1/8W68J 1/8W220J 1/8W220J C1008 1/8W680J C-MY50V104 PC-123 C-MY50V104 Repair Manual 4-19 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 174 1/8W680J 50V471J +24V ZD1 ZD-500MW30V ZD-500MW6.2V 1/8W1KJ RD1/8W01.5KJ 1/8W5.6KJ 50V683J +24S 1/8W1KJ 1/8W10KJ FUSER_ON 1.2KJ PC-123 1/8W68J 1/8W220J 1/8W220J C1008 1/8W680J C-MY50V104 PC-123 C-MY50V104 Repair Manual 4-20 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 175 SCHEMATIC DIAGRAMS 4-6 ADF Circuit Diagram Repair Manual 4-21 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 176 SCHEMATIC DIAGRAMS 4-7 Flat Circuit Diagram Repair Manual 4-22 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 177 SCHEMATIC DIAGRAMS 4-8 PTL Circuit Diagram Repair Manual 4-23 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 178 SCHEMATIC DIAGRAMS 4-9 Sensor Circuit Diagram Repair Manual 4-24 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 179 SCHEMATIC DIAGRAMS 4-10 Toner_Rx Circuit Diagram Repair Manual 4-25 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 180 SCHEMATIC DIAGRAMS 4-11 Toner_Tx Circuit Diagram Repair Manual 4-26 Samsung Electronics - This Document can not be used without Samsung's authorization -...

This manual is also suitable for:

Scx-5112

Table of Contents