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Samsung ML-7300 Series Service Manual

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SERVICE
LASER PRINTER
ML-7300 Series
Manual
1. Precautions
2. Reference Information
3. Product Information
4. Disassembly
5. Trouble Shooting
6. Exploded Views & Parts List
7. Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Port Thru
(Network Printer Card)
11. schematic diagrams
CONTENTS

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Summary of Contents for Samsung ML-7300 Series

  • Page 1: Service Manual

    ML-7300 Series SERVICE Manual LASER PRINTER CONTENTS 1. Precautions 2. Reference Information 3. Product Information 4. Disassembly 5. Trouble Shooting 6. Exploded Views & Parts List 7. Electrical Parts List 8. Block Diagrams 9. PCB Diagrams 10. Port Thru (Network Printer Card)
  • Page 2 ELECTRONICS Samsung Electronics Co., Ltd. September. 2001 Printed in Korea VERSION NO. : 1.02 P/N. JC-0024A...

  • Page 3: Table Of Contents

    Contents 1. Precautions 1-1 Safety precautions ______________________________1-1 1-2 Laser Safety Statement __________________________1-2 2-1 Abbreviations and Acronyms _____________________2-1 2. Reference Information 2-2. Diagnostic Control Unit_________________________2-3 2-2-1. Abstract ________________________________2-4 2-2-2. List of code description_____________________2-5 3.Product Information 3-1 General Specifications ________________________3-1 3-2 Controller Specifications _______________________3-2 3-3 Electrical Specifications _______________________3-2 3-4 Environmental Condition _______________________3-3 3-5 Image Cartridge(Developer) ____________________3-3...

  • Page 4: Exploded Views

    7-6. POSTSCRIPT PBA __________________________7-8 7-7. DISP-PANEL PBA ___________________________7-9 7-8. DISP-LCD PBA _____________________________7-9 7-9. TONER PBA _______________________________7-9 7-10. NETWORK CARD PBA(100BASE) _____________7-10 8-1 WIRING DIAGRAM ___________________________8-1 8- Bloack Diagrams 8-2 Engine Controller Block Diagram___________________8-2 8-3 Video Controller Block Diagram____________________8-3 Samsung Electronics...

  • Page 5: Schematic Diagrams

    10-3-2 Troubleshooting Table of Network Card ________10-10 11. Schematic Diagrams 11-1 Main Circuit Diagram_________________________11-1 11-2 Engine Circuit Diagram _______________________11-13 11-3 Cassette Circuit Diagram _____________________11-19 11-4 Panel Circuit Diagram ________________________11-20 11-5 PTL Circuit Diagram _________________________11-21 11-6 SCF Circuit Diagram _________________________11-22 Samsung Electronics...

  • Page 6: Precautions

    11. Do not touch the surface of the photo-sensitive drum as marks ro scratches may impair print quality. 12. Do not expose the drum unit to direct light for prolonged periods. 13. Use only standard papers, OHP films and approved envelopes. Samsung Electronics...

  • Page 7: Reference Information

    HLDR hold request power horizontal quantity inch(es) or input switch INTA interrupt Acknowledge sync synchronous or synchronization Interrupt tach tachometer INTR Interrupt request collector supply voltage(dc) Input and Output vert vertical multiplex Vp-p peak-to-peak voltage variable resistor Samsung Electronics...
  • Page 8 Ultrahigh Frequency SSOP Shrink Small Outline Package Voltage Controlled Oscillator Super Twisted Nematic VESA Video Electronics Standard Association Serial Communications Video Graphics Array Controller Thin Film Transistor Very High Frequency Tri-State Crystal Oscillator TSOP Thin Small Outline Package Samsung Electronics...

  • Page 9: Diagnostic Control Unit

    ENGINE BOARD PAPER JAM 1 PAPER JAM 2 MANUAL PRINT MODE LSU NOT READY DCU MODE DOWN SHIFT STOP ENTER IF YOU ENTER THE DCU MODE TURNTHEPOWER SWITCH ON WITH HOLDING THREEKEYS DOWN < Fig 1-1. ML-80 DCU > Samsung Electronics...

  • Page 10: List Of Code Description

    PAPER SIZE SENSOR TEST COVER OPEN ERROR FAN SPEED TEST SLEEP MODE PTL TEST NO PAPER or CASSETTE PAPER JAM “0” PAPER JAM “1” PAPER JAM “2” DUPLEX JAM “1” DUPLEX JAM “2” OUT BIN FULL LSU NOT READY Samsung Electronics...
  • Page 11 Decrement DCU code No. (03, THV) ENTER LSU Motor On Lighten 3rd LED LSU Ready and LD On Lighten 1, 2nd LED SHIFT+STOP LSU Motor OFF Increment DCU Code No. (06, Pickup Clutch) SHIFT+DOWN Decrement DCU code No. (04, Dev) Samsung Electronics...
  • Page 12 Decrement DCU Code No. (15, Cassette sensor TEST) Enter Dark Light Bright Light 2nd LED ON/OFF SHIFT + STOP Light OFF 3nd LED ON/OFF Increment DCU Code No. (00, Main Motor) SHIFT + DOWN Decrement DCU Code No. (16, Fan Speed TEST) Samsung Electronics...

  • Page 13: Product Information

    •Stand by : Less than 30 dB •Printing : Less than 50 dB Acoustic Noise •Sleep mode : Background Noise •110V : UL, CSA,FDA,FCC Part15 Certification & •220V : TUV,CE Compliance •Enable Power save mode •Enable Toner save mode Samsung Electronics...

  • Page 14: Controller Specification

    Nominal input voltage 100-120 VAC 200-240 VAC Input Voltage Input voltage range 90-132 VAC 189-264 VAC Nominal frequency 50/60 MHz 50/60 MHz Frequency tolerance +3Hz +3Hz •340W Avg or less Power •Sleep mode Consumption : 30W Avg or less Samsung Electronics...

  • Page 15: Environmental Condition

    •Running : 10,000 sheets Life span 5% pattern A4 page • Non-magnetic Contact Developing Developing • Conductive Roller Charging Charging • Exchange the Developer Toner supply Method • Enable Toner checking sensor •0.1PPM or less Ozone 8hours •Single cartridge Style Samsung Electronics...

  • Page 16: Paper Handling Specifications

    C6 Envelope Transparency(OHP) A4 or Letter A4 or Letter Label paper •Feed capacity Item Description Cassette 500sheets Paper 100 sheets Transparencies 30 sheets MP tray Envelopes 10 sheets Card stocks 10 sheets Labels 25 sheets Option Cassette 500sheets Samsung Electronics...

  • Page 17: Disassembly

    Disassembly 4. Disassembly 4-1 Front View Control Panel Cover Open Power Switch Cover Tray Cover Front Paper Level Indicator 4-2 Rear View Cover Rear Controller Cassette Power Inlet Samsung Electronics...

  • Page 18: Cabinet Disassembly

    Screw In order to remove the Cover Right. Please see the hook which locks the cabinet to the frame, right hand should first grab the hook and pull it out for releasing the hook from the frame. Hook Samsung Electronics...
  • Page 19 Disassembly The left hand should slide the Cover Right to the backward. Samsung Electronics...

  • Page 20: Cover Left

    Please see the hook of the Cover Left. Pull the Hook and release it from the frame. Screw Hook Slide the Cover Left to the backward with pulling the hook out. The Cover Left can be easily removed. Pull Samsung Electronics...

  • Page 21: Cover Front

    Please see the MP tray disassembly. (4-9) 4-3-4. Cover Main Cover Open Open the Cover Open. Remove two screws. Cover Top Screw Screw Cover Main See the hooks. Push the hooks up and pull them upward. With holding Cover Main, remove the panel wire. Samsung Electronics...

  • Page 22: Cover Rear

    Ground ICU Open the Cover Rear. Detach the stripe by pushing the stripe. There is a hook holding the stripe. Stripe Cover Rear After detaching the stripe from the Cover Rear, Release the Cover Rear from the hinge. Hinge Samsung Electronics...

  • Page 23: Video Controller Board & Joint Board

    Unplug the panel cable and engine I/F cable with care and remove the screws from the frame. Panel Cable RAM Simm Socket Controller Board Engine I/F cable Flash SIMM or Frame ICU Postscript SiMM Socket Samsung Electronics...
  • Page 24 Bracket ICU to the frame and Screw detach controller from the frame. You can see the Frame ICU. Parallel I/F Reserved for Network Ground ICU Reserved for Serial Screw Connector for Network Hyper chip ASIC (SPGP1) Video Controller Board Samsung Electronics...
  • Page 25 4-5 Fuser Ass’y Open the Cover Rear and see the screws and unscrew and remove the Cover pcb. Cover PCB for engine B’d Screw After removing the Cover pcb, unplug the Thermistor connector from the Engine Board. Thermistor connector Samsung Electronics...

  • Page 26: Fuser Ass'y

    Notice : After you confirm exactly SEC. code, you have to exshange the defective “Fuser ass’y” for goods => Do use the exclusive “Fuser ass’y” in the ML-7300 model (ML-7300 model is different from ML-7000 & ML-7050) 4-10 Samsung Electronics...
  • Page 27 When Jam happens, you can easily remove it by pulling the Guide Rear out like figure. In order to remove Guide Rear, opening the Guide Rear out like figure and pull out hinge of Guide Rear. Guide Rear Samsung Electronics 4-11...

  • Page 28: Bracket Motor Ass Y & Cover Open Switch Unit

    Bracket Motor Ass’y You can see the Bracket Motor ass’y. Motor and several gears are assembled in one gear bracket. Motor < Bracket Motor Ass’y > 4-12 Samsung Electronics...
  • Page 29 Cover Open Switch Unit. Remove the SMPS. Refer to SMPS & Bracket Duplex Ass’y disassembly (4-12) Detach two Connectors form the SMPS. Remove 2 screws and detach the unit from the frame. Cover Open Switch unit Samsung Electronics 4-13...

  • Page 30: Pickup Ass'y

    Remove the screw of Bracket Support and tension spring. Pickup Ass’y Tension Spring Screw Lift Guide Front Duplex and remove the 3 mounting screws of Pickup Ass’y. Guide Front Duplex Screws 4-14 Samsung Electronics...

  • Page 31: Laser Scanner Unit

    Laser Scanner Unit is located in the upper frame. In order for LSU disassembling, disassemble the Cover Main, you should take off the left and right cover. There is wiring protection cover(Cap Wire LSU)for LSU wires. Remove Cap wire LSU. Samsung Electronics 4-15...
  • Page 32 Notice : When you exchange he defective “LSU unit” for good, you have to remove the slim film on the LSU lens. => If not , no image is occurred , because laser beam does not transmit the slim film. 4-16 Samsung Electronics...

  • Page 33: Multi Purpose Tray

    Remove the Cover main. Hook See the Links which hold the MP tray in the both side. Hold the Links and pull it to the arrow direction. Hold the MP tray and pull it to the arrow direction. Samsung Electronics 4-17...
  • Page 34 Disassembly Screw Hook Cover Front After detaching the Tray MP, see the screws and remove them. Remove the hook and release the Cover Front by releasing the hook. 4-18 Samsung Electronics...
  • Page 35 Disassembly Screw Screw Screw Screw After removing Cover Front, detach the MP ass’y by unscrewing 4 screws. Before detaching MP Ass’y, unplug the MP solenoid and MP sensor connector from the Joint Board. < MP Ass'y > Samsung Electronics 4-19...

  • Page 36: Control Pane

    First lift up Cover Main and see the panel wire and disconnect the wire from the panel board. And next step is to remove the panel board which is located in the Cover Top. Control panel consists of LCD ass’y and Key&LED ass’y. Remove Key&LED ass’y and remove LCD ass’y. 4-20 Samsung Electronics...
  • Page 37 After removing Key&LED ass’y, release the hook of LCD ass'y from Cover Top and see the hinge for LCD ass’y in the cabinet and release them. You should spread the hinge of LCD ass’y. But be careful not to damage the hinge. Samsung Electronics 4-21...

  • Page 38: Engine Controller Board

    Open the Cover Rear and remove the Cover PCB. Screw wires After removing Cover Rear, disconnect all wires from the PCU. and then remove the screw of Ground Shield SMPS, Turn over the printer. 4-22 Samsung Electronics...
  • Page 39 Disassembly Bar Cross Bottom Screw CST Sensor After turning over, remove Bar cross Bottom by unscrewing them 8 screws. Next remove the CST Sensor and remove the screws in the PCU which are black colored screws. Samsung Electronics 4-23...
  • Page 40 And you can see the connector which are LSU’s and ‘Video I/F’s’. Unplug them with care. Be careful not to be hurt to your hands when you disconnect the wires because the connection is tight and you may pull the connectors strongly. Screw 4-24 Samsung Electronics...
  • Page 41 PCU room < PCU Ass’y > Above is to show the disassembled PCU and Frame. PCU Ass'y has some sensor, some actuator, solenoid and Shield plate and HVPS circuit. Service man could ask the Ass'y or repair parts. Samsung Electronics 4-25...
  • Page 42 SMPS. Remove four screws and separate SMPS from the frame. You can see the fuser AC connector and +5V, +24V connector which are connected to the microswitches. Detach the wires from the SMPS. Samsung Electronics 4-26...
  • Page 43 The Bracket Duplex Ass’y is located in the left upper side. Remove the screws and detach the ass’y from the Frame. In order to remove the connector of Solenoid, first remove Engine Controller Board. Refer to Engine Controller Board disassembly (4-11) Samsung Electronics 4-27...

  • Page 44: Transfer Roller Ass'y

    4-13 Transfer Roller Ass’y Holder Transfer Roller Open the Cover Top, you can see colored levers at each side of Transfer Roller, push the levers which is attached in the Holder transfer Roller to release the Ass’y. 4-28 Samsung Electronics...

  • Page 45: Troubleshooting

    4. Charge roller scar or particle 4. Clean the charge roller. If not improved, replace image cartridge. Partial White Image 1. OPC Drum scar or particle 1. Clean OPC Drum (not periodic) 2. Check the cartridge life 2. Replace image cartridge Samsung Electronics...
  • Page 46 1. Check the charger voltage 1. Refer to HVPS output spec All Black Image 2. Check the terminal contact - Replace the engine board 3. Compare new video board with 2. Replace terminal present one 3. Replace video board Samsung Electronics...

  • Page 47: Hvps Output Spec

    5. Remove image Cartridge. 6. Push the Cover Open Switch 7. Select the Diagnostic mode and measure HVPS output. *Recommanded Test Equipment - DVM -High Voltage Probe CHARGER TRANSFER Transfer Roller BIAS P T L (LED-Array) SUPPLY INSERT IMAGE CARTRIDGE Samsung Electronics...

  • Page 48: Malfunction

    1. Replace cover open Unit 1. Cover open unit defect -Refer to “4-6” Cover open 2. Cable damage and connection 2. Replace cover open switch 3. Engine board defect assembly, and connect properly. 3. Replace the engine board. Samsung Electronics...
  • Page 49 1. Check the Cable between Engine and 1. Connect the cable correctly or Video controller. replace the cable. Internal Error 20 (Engine board CN10 Video controller - Refer to “4-4” (Engine Error) board J11.) 2. Replace Engine board. 2. Engine board defect. Samsung Electronics...
  • Page 50 - Refer to DCU mode “08” - Refer to “4-11” “Paper is stopped 2. Check the Feed Sensor actuator 2. Replace Feed Sensor actuator. on feed sensor” 3. Check the paper installation in - Refer to “4-11, 6-2” cassette. 3. Reinstall paper properly. Samsung Electronics...
  • Page 51 1. Check the paper empty sensor for SCF 1. Replace the paper empty sensor on - Refer to DCU mode “07” S.C.F board. 2. Check the paper empty sensing actuator 2. Replace MP paper empty sensor for SCF. actuator. Samsung Electronics...

  • Page 52: Connector Pin Assignment

    +24VS2 +24V +24V SCF_READY JOINT BOARD STS_SCF PULSE PULSE INTERFACE 11,13 AGND AGND AGND MP_PAPER TONER 15,17 DGND DGND DGND CMD_SCF PULSE PULSE OPT_CLK PULSE PULSE THERMISTOR THERMISTOR THERMISTOR DCU_DATA PULSE PULSE DCU_CLK CLOCK CLOCK DGND DGND DGND Samsung Electronics...

  • Page 53: Joint Board Connector Pin Assignment

    +24V CN503 STS_SCF PULSE PULSE CMD_SCF PULSE PULSE INTERFACE OPT_CLK PULSE PULSE SCF_READY DGND DGND DGND CN502 +24V +24V +24V MP_CLUTCH MP_CLUTCH +24V CN504 Q_LAMP Q_LAMP MP_SENSOR CN505 DGND DGND DGND MP_SENSOR CN506 TONER TONER AGND AGND AGND Samsung Electronics...
  • Page 54 +24V AGND AGND AGND +24VS2 +24V +24V STACKER DGND DGND DGND KEY_DEV DGND DGND DGND EBUSY 2,17,19,20,21 DGND DGND DNGD 22,23,24 EMSG EXIT_PAP CCLK PULSE CN10 PRINT VIDEO CONTROLLER CPRDY INTERFACE PSYNC READY HSYNC 13,15,16,18 25,27,28 CMSG 5-10 Samsung Electronics...

  • Page 55: Board Connector Pin Assignment

    DGND MOT_PA +24V PULSE MOT_PB +24V PULSE MOTOR MOT_PA* +24V PULSE MOT_PB* +24V PULSE DCU_IN/OUT PULSE PULSE DCU_CLK CLOCK CLOCK DGND DGND DNGD +24V +24V +24V PICK UP CLUTCH +24V CASET_1 CASET_2 CASSETTE CASET_3 DGND DGND DNGD Samsung Electronics 5-11...

  • Page 56: Troubleshooting Of Video Controller

    Printing? Is it correct the setting status of printer Correct the setting status of printer on test page? Is it possible receving data Go to Parallel Interface Error from PC? Go to Pinting Error Input Data Printing? 5-12 Samsung Electronics...

  • Page 57: Power Error

    Power cord and Cables Is it short between Video board’s 5V and GND in input voltage=5V? the Video board? Refer to the No Power Replace the LCD Ass’y Repair the board sectino of engine board of display panel troubleshooting Samsung Electronics 5-13...

  • Page 58: System Error

    SPGP1’s pin No. 239. No operation Check the TS*(pin No.51) input check solddering status pulse of U27 : active low Check the ADS*(pin No.66) input pulse of U10 : active low If you can’t repair the board Replace the board 5-14 Samsung Electronics...

  • Page 59: Engine Error

    Check the pulse of the VCLK*(pin No.25) and LSYNC*(pin No.95) of U23 Check the input pulse of the VCLK* (pin No.100) and PSYNC*(pin No.102) and LSYNC*(No.103pin) of SPGP1(U27) If yoy can’t repair the board Replace the board Samsung Electronics 5-15...

  • Page 60: Parallel Interface Error

    Check the signal pulse of BUSY, ACK*, STROBE* If you can’t repair the board. Replace the board Printing Error Printing Error Check the soldering status of DRAM (U18, U24) Check. the soldering status of SPGP1 (U27) Go to system error 5-16 Samsung Electronics...

  • Page 61: Troubleshooting Table Of Video Controller Board

    Check the printer cable(bidirectional cable) Error cable General desc- *Please refer to the user’s manual. riptions of *If you can’t fix the trouble of video controller Replace the board troubleshooting board, replace the video board by the verified board. Samsung Electronics 5-17...
  • Page 62 Troubleshooting MEMO 5-18 Samsung Electronics...

  • Page 63: Exploded Views & Parts List

    6-2. Cover Ass’y 6-3. Frame Ass’y 6-4. Cassette Ass’y 6-5. MP Tray Ass’y 6-6. Pick Up Ass’y 6-7. Fuser Ass’y 6-8. Shield Ass’y 6-9. Bracket Duplex Ass’y 6-10. Bracket Motor Ass’y 6-11. Frame SCF Ass’y 6-12. Cassette SCF Ass’y Samsung Electronics...
  • Page 64 Exploded Views & Parts List 6-1 Main Ass’y Samsung Electronics...
  • Page 65 MEA RACK-COVER FRONT JC97-01024B MEC-COVER TRAY MEA-RACK FEEDER CST JC97-01023C MEA RACK-PICK UP JC97-01039A PMO-FRAME BASE PMO-COVER-RIGHT JC72-40941E MEA RACK-COVER REAR JC97-01026B 220V ELA HOU-FUSER ASS’Y JC96-02033A 110V ELA HOU-FUSER ASS’Y JC96-02034A MEA RACK-CAST SCF MEA RACK-SCF AS’Y Samsung Electronics...
  • Page 66 Exploded Views & Parts List 6-2 Cover Ass’y 1-1-1 1-1-1-7 1-1-1-1 1-1-1-3 1-1-1-6 1-1-1-2 1-1-1-5 1-2-7 1-1-1-4 1-2-6 1-2-5 1-2-1 1-2-4 1-1-3 1-2-3 1-2-2 1-1-4 1-2-8 1-2-9 1-1-2 1-2-10 1-2-11 1-2-6 2-10 2-11 Samsung Electronics...
  • Page 67 2-10 IPR-SPRING UPPER DP 2-11 RCT-ROLLER REAR DP MEA RACK-COVER LEFT JC97-01025B PMO-COVER LEFT PMO-AIRDUCT PMO-COVER RIGHT JC72-40941E MEA RACK-COVER FRONT JC97-01024B PMO-COVER FRONT PMO-LINK TRAY JC72-40957D PMO-BOTTOM POWER SPRING-CS PMO-STRIPE JC72-41004A SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics...
  • Page 68 Exploded Views & Parts List Cover Ass’y Samsung Electronics...
  • Page 69 Exploded Views & Parts List Cover Ass’y Parts List Location NO. Description SEC.Code Q’ty Remark MEA RACK-TRAY MP JC97-01038B PMO-TRAY-MP PMO-SIDE GUIDE TRAY ICT-SHEET SIDE GUIDE MEA UNIT-COVER TRAY JC97-01037B PMO-SUBTRAY-FIRST PMO-SUBTRAY-SECOND PMO-COVER TRAY PMO-LINK TRAY JC72-40957D PMO-COVER COLOR Samsung Electronics...
  • Page 70 Exploded Views & Parts List 6-3. Frame Ass’y Samsung Electronics...
  • Page 71 PMO-FRAME BASE PMO-CAP ACT FEED PMO-ACTUATOR FEED JC72-40984A PMO-HOLDER G/PAPER IPR-GUIDE P/FRONT JC70-10964A GEAR-P/UP DRIVE IPR-GROUND BRKT GEAR IPR-GROUND OPC FAN-DC 3103-001047 SCREW-TAPTITE CBF HARNESS-SMPS JC39-40532A UNIT-LSU JC59-00005A CBF HARNESS-CASSETTE JC39-40524A IPR-FRAME ICU PMO-CAP WIRE CBF HARNESS-MP GND JC39-40538A Samsung Electronics...
  • Page 72 PMO-HOLDER TR L 64-2-2 PMO-BUSH 64-2-3 SPRING-TR_L 64-3 MEA UNIT-HOLDER TR : R JC97-01404A 64-3-1 PMO-BUSH 64-3-2 SPRING-TR_R 64-3-3 SPRING-PLATE TR 64-3-4 PMO-HOLDER TR R 64-4 GEAR-TRANSFER JC66-40947A 64-5 RING-E PHOTO-INTERRUPTER ELA HOU-PTL JC96-01978A 66-1 PBA SUB-PTL 6-10 Samsung Electronics...
  • Page 73 PMO-COVER QUENCHING PMO-LEVER STACKING1 JC72-41188D MEC-BRUSH JC75-10923A ELA HOU-FUSER TERMINAL JC96-01980A 69-1 CBF HARNESS-FUSING JC39-40522A 69-2 IPR-TERMINAL FU 69-3 PMO-HOUSING TERMINAL GEAR-DP,IDLE SPRING-CLUTCH GEAR-EXIT,IDLE(Z17) RING-CS GEAR-EXIT/U,ID JC66-40211B SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-MACHINE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-MACHINE SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-11...
  • Page 74 Exploded Views & Parts List 6-4. Cassette Ass’y 6-12 Samsung Electronics...
  • Page 75 IPR-GUIDE EXT LOCK IPR-GUIDE PAPER SCF IPR-GUIDE PLT PAPER IPR-PLATE KNOCK UP IPR-PLATE SPR LOCK IPR-PLATE SUB K/UP IPR-SPR PLATE G/SIDE SPRING-LEVER SPRING-PLATE K/UP SPRING-SUB PLATE RPR-PAD CST ICT-SHAFT SPR K/UP LABEL(R)-INSTRUCTION SPRING-LOCKER,PLATE PMO-LOCKER PLATE RING-E SCREW-MACHINE SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-13...
  • Page 76 Exploded Views & Parts List 6-5. MP Tray Ass’y 9 10 6-14 Samsung Electronics...
  • Page 77 GEAR-CAM PMO-ACTUATOR PAPER PMO-BKT HOLDER MP PMO-HOLDER PAD MP RPR-FRICTION PAD MP SPRING-F/P MP PMO-SUB GUIDE MP PMO-ACTUATOR EMPTY PMO-GUIDE RING IPR-K/UP PLATE MP RPR-PAD KNOCK UP MP PMO-BUSHING K/UP MP SPRING-KNOCK UP MP RING-E SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-15...
  • Page 78 Exploded Views & Parts List 6-6. Pick Up Ass’y 6-16 Samsung Electronics...
  • Page 79 GEAR-FEED PMO-HOLDER FEED S PMO-SUB HOLDER FEED IPR-SHAFT FEED IDLER PMO-ROLLER FEED L PMO-ROLLER FEED S SPRING-FEED SMALL PMO-HOLDER FEED L ICT-SHAFT IDLE LARGE SPRING-FEED LARGE GEAR-P/UP DRIVE WASHER-PLAIN RING-CS ICT-SUB SHAFT P/UP IPR GROUND FEED SCREW-TAPTITE Samsung Electronics 6-17...

  • Page 80: Fuser Ass'y

    Exploded Views & Parts List 6-7 Fuser Ass’y 6-18 Samsung Electronics...
  • Page 81 SPRING-SAPERATION BEARING-EXIT FU L BEARING-EXIT FU PMO-GUIDE CLAW PMO-COVER FUSER LOW ROLLER-EXIT SPRING-FUSER EXIT RCT-ROLLER EXIT FU GEAR-EXIT/U,ID GEAR-EXIT,IDLE(Z17) PMO-BRKT FUSER GEAR LAMP-HALOGEN 220V 4713-001072 220V 110V LAMP-HALOGEN 110V 4713-001073 RING-CS GEAR-EXIT SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-19...

  • Page 82: Shield Ass'y

    Exploded Views & Parts List 6-8. Shield Ass’y 6-20 Samsung Electronics...
  • Page 83 IPR-GUIDE DUPLEX IPR-GUIDE FRONT DP PMO-LEVER OPEN DP SPRING-FRONT DP IPR-BRKT SUPPORTER CBF HARNESS-DPLX GND RPR-CUSHION GUIDE IPR-BRKT IDLE ROLLER PMO-IDLE ROLLER IPR-SHEET FRONT DP PPR-INSULATOR PCU PMO-ACTUARTOR REAR. PD IPR COVER PCB SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-21...

  • Page 84: Bracket Duplex Ass'y

    Exploded Views & Parts List 6-9. Bracket Duplex Ass’y 6-22 Samsung Electronics...
  • Page 85 Q’ty Remark ELA HOU-BRKT DUPLEX JC96-01056A PMO-PULLEY DUPLEX BELT-TIMMING IPR-BRKT DUPLEX IPR-LINK DUPLEX ICT-SHAFT SWING PMO-BEARING LARGE DP “PMO-BEARING SMALL,DP” ICT-SHAFT BELT “GEAR-DP,IDLE” GEAR-DUPLEX “GEAR-EXIT/U,ID” PMO-BRKT GEAR LOWER SPRING-SOLENOID DP SOLENOID-DUPLEX ICT-SHAFT BELT2 RING-CS RING-E SCREW-TAPTITE SCREW-TAPTITE Samsung Electronics 6-23...

  • Page 86: Bracket Motor Ass'y

    Exploded Views & Parts List 6-10. Bracket Motor Ass’y 6-24 Samsung Electronics...
  • Page 87 Description SEC.Code Q’ty Remark ELA HOU-BRKT MOTOR JC96-01951A GEAR-IDLE 27 GEAR-FUSER DRIVE GEAR-RDCN OPC GEAR-118/23 GEAR-IDLE FU GEAR-FEED DRIVE GEAR-OPC DRV(12) GEAR-OPC DRV2 IPR-BRACKET(MOTOR 21) IPR-BRACKET MOTOR J MOTOR-STEP 3101-001226 CBF HARNESS MOTOR RING-E WASHER-PLAIN SCREW-MACHINE SCREW-MACHINE Samsung Electronics 6-25...

  • Page 88: Frame Scf Ass'y

    Exploded Views & Parts List 6-11. Frame SCF Ass’y 6-26 Samsung Electronics...
  • Page 89 IPR-CASE BOTTOM MOTOR-SCF SOLENOID-MAGNET CBF HARNESS-SCF MOT CBF HARNESS-SCF CST CBF HARNESS-SCF OPT CBF HARNESS-SCF FEED PBA SUB-SCF OPT PBA SUB-CASSETTE FOOT-RUBBER SCF “SPRING-IDLE,SCF” IPR-SCF MOTOR 1 IPR-INSULATOR SCF CBF HARNESS-SCF GND 1001 SCREW-MACHINE 1002 SCREW-MACHINE 1007 SCREW-TAPTITE Samsung Electronics 6-27...
  • Page 90 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1022 RING-E 1022 RING-E 1022 RING-E 1023 RING-E 6-28 Samsung Electronics...

  • Page 91: Cassette Scf Ass'y

    Exploded Views & Parts List Exploded Views 6-12. Cassette SCF Ass’y Samsung Electronics 6-29...
  • Page 92 IPR-PLATE SUB K/UP PMO-CAP PLATE K/UP PMO-ROLLER FD R SPRING-SUB PLATE ICT-SHAFT SPR K/UP PMO-LEVER PAPER S PMO-SUB GUIDE CAST PMO-WINDOW PAPER 1001 SCREW-MACHINE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1013 SCREW-TAPTITE 1022 RING-E 950-1 MEA-RACK FRAME PAD 6-30 Samsung Electronics...

  • Page 93: Electrical Parts Lists

    R-CARBON “100KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000281 “R110,R134,R165,R166,R178” R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000281 “R179,R508” R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000281 “R26,R49,R71,R81” R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000281 “R87,R88,R95,R102,R103” R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R101,R111,R121,R139,R141” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R142,R143,R181,R182,R183” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R19,R20,R21,R22,R27” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R46,R50,R58,R59,R60” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R509,R511” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” Samsung Electronics...

  • Page 94: Main Engine Pba

    “R4,R35” R-METAL “56.2Kohm,1%,1/8W,AA,TP,1.8x3.2” 2008-001125 J125 R-FUSIBLE “1ohm,5%,1/2W,AA,TP,2.4x6mm” 2009-001082 R148 R-METAL GLAZE “30Mohm,2%,2W,-,BK,30x8.5mm” 2009-001083 R174 R-METAL GLAZE “200Mohm,2%,1/2W,CM,BK,18x6mm” 2009-001084 R118 R-METAL GLAZE “30Mohm,2%,0.5W,CM,BK,18x6mm” 2009-001085 R128 R-METAL GLAZE “10Mohm,3%,1/2W,CM,BK,18x4mm” 2103-000156 VR-SEMI “10Kohm,10%,1/2W,TOP” 2103-000270 “VR1,VR3” VR-SEMI “20Kohm,10%,1/2W,TOP” 2201-000003 “C50,C58” “C-CERAMIC,DISC” “0.068nF,10%,2kV,SL,TP,7x5,5” Samsung Electronics...
  • Page 95 JC33-10501B SOLENOID-6000 “ML-6000,24VDC,72W,57,39X39X22,” JC39-40511A “B4,B5,B6,B7,B8” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J1,J2,J5,J6,J7” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J101,J102,J103,J104,J105” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J106,J107,J108,J109,J110” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J111,J112,J113,J114,J115” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J116,J117,J118,J119,J120” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC39-40511A “J121,J123,J124” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” Samsung Electronics...
  • Page 96 JC39-40511A “R83,R185,R503” CBF HARNESS- “ML-80,JUMPER,AWG22,52mm,SILVER” JC41-00043A PCB-ENGINE “ML-7300,FR-1,1L,1.6T,289x247mm” JC70-10909A “TP1,TP2,TP3,TP4,TP5” IPR-CONNECTOR HV “ML-80,AL,T0.8,-” JC96-01379A “Q14,Q15” ELA HOU-H/SINK “ML-7000/NEC,NEC,USA,HEAT-SINK,ENGINE B’D,” JC96-01944A ELA UNIT-HEAT-SINK (526L)“ML-5000A,SAMSUNG,KOREA,-,-,-,-” 0502-001124 Q203 TR-POWER “KSD526,NPN,30W,TO-220,BK,120-2” 6003-000119 SCREW-TAPTITE “BH,+,B,M3,L8,CBLACK,SWRCH18A” JC62-30001A HS202 HEAT SINK-TRANS “ML-80,AL,-” JC96-01945A ELA UNIT-HEAT-SINK (526S)“ML-5000A,SAMSUNG,KOREA,-,-,-,-” 0502-001124...

  • Page 97: Main Controller Pba

    R-CHIP “10OHM,5%,1/10W,DA,TP,2012” 2007-000312 “R62,R129” R-CHIP “10OHM,5%,1/8W,DA,TP,3216” 2007-000449 R134 R-CHIP “180OHM,5%,1/10W,DA,TP,2012” 2007-000468 “R18,R19,R20,R21,R22,R23” R-CHIP “1KOHM,5%,1/10W,DA,TP,2012” 2007-000468 “R24,R25,R26,R34,R35,R42” R-CHIP “1KOHM,5%,1/10W,DA,TP,2012” 2007-000468 “R43,R44,R138,R202,R236,R237” R-CHIP “1KOHM,5%,1/10W,DA,TP,2012” 2007-000493 R145 R-CHIP “2.2KOHM,5%,1/10W,DA,TP,2012” 2007-000781 “R104,R105,R107,R114,R115,R116” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R117,R119,R121,R126,R137,R141” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R12,R37,R38,R39,R40,R47” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” Samsung Electronics...

  • Page 98: Main Controller Pba

    “C-CERAMIC,CHIP” “0.033nF,5%,50V,NP0,TP,2012” 2203-000938 “C216,C217,C219,C220,C223” “C-CERAMIC,CHIP” “0.47nF,5%,50V,NP0,TP,2012” 2203-000938 “C53,C54,C55,C56,C57,C58,C214” “C-CERAMIC,CHIP” “0.47nF,5%,50V,NP0,TP,2012” 2203-001158 C168 “C-CERAMIC,CHIP” “0.068nF,5%,50V,NP0,TP,2012” 2404-000128 “C60,C131” “C-TA,CHIP” “10uF,20%,16V,-,TP,6032,-” 2404-000468 “C18,C50,C73,C114,C165” “C-TA,CHIP” “33uF,20%,16V,GP,TP,7343,-” 2404-000468 “C195,C210,C224” “C-TA,CHIP” “33uF,20%,16V,GP,TP,7343,-” 2804-000380 OSC2 OSCILLATOR-CLOCK“50MHz,100ppm,10 TTL,-,5V,40mA” 2804-001387 OSC1 OSCILLATOR-CLOCK“78.45496MHz,50ppm,15pF&10TTL,BK,5V,40mA” 2901-001178 “LF1,LF2,LF4,LF5,LF8,LF9” FILTER-EMI SMD “25V,2A,-,100000pF,2x1.25x1mm,TP” Samsung Electronics...
  • Page 99 CONNECTOR-RIBBON“60P,MALE,STRAIGHT,AUF” 3702-001104 CONNECTOR-RIBBON“30P,FEMALE,STRAIGHT,AU” 3709-001027 “CN3,CN4,CN5” CONNECTOR-CARD EDGE“72P,1.27mm,STRAIGHT,SN” 3711-002001 CONNECTOR-HEADER“-,20P,2R,2mm,STRAIGHT,SN” 3711-003981 CONNECTOR-HEADER“BOX,28P,2R,2mm,STRAIGHT,SN” 4701-001020 FREQ-ATTENUATOR“5-80MHz,15dB,-,0.03W” JC09-00001A IC MICRO COMPUTER-CPU “ML-6100,IBM25EMPPC603EPG-100,CQFP,240P,32X32MM” JC11-10507A IC MASK ROM-HIGH“ML-165,KM23C8105DG,SOP,44P,600” JC11-10510A “IC MASK ROM-PCL6,LOW”“ml-165,KM23C8105DG,SOP,44P,600” JC13-00002A IC-ASIC-SPGP1 “ML-7000,SPGP1,QFP,240P,34.6X4.15BSC” JC13-00003A IC-ASIC-HYPER “ML-7000,SOP-9801A,PQFP,100P,20X14MM” JC41-00044A PCB-CONTROLLER“ML-7300,FR-4,4L,1.6T,180x210mm” JF68-30527N “U3,U13” LABEL(R)-BAR CODE“SF500,PY,20X10,T0.1,WHT” Samsung Electronics...

  • Page 100: Flash Memory Pba

    LOCATION NO. Q’ty DESCRIPTION PBA ETC-POSTSCRIPT 0801-001075 IC-CMOS LOGIC “74ACT138,DEMUX,SOP,16P,150MIL,” 1107-001121 “U1,U2,U3,U4” IC-FLASH MEMORY“29F800,1Mx8/512Kx16Bit,TSOP,48P,787MIL, 70nS,5V,10%,PLASTIC,0to+70C,100uA,CMOS,ST” 2007-000029 “R1,R3,R9,R10” R-CHIP “0OHM,5%,1/10W,DA,TP,2012” 2007-000290 “R4,R5” R-CHIP “100OHM,5%,1/10W,DA,TP,2012” 2007-000300 “R7,R12,R13,R14,R15” R-CHIP “10KOHM,5%,1/10W,DA,TP,2012” 2007-000781 R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2203-000206 “C1,C2,C3,C4,C5” “C-CERAMIC,CHIP” “100nF,10%,50V,X7R,TP,2012” JC41-00048A PS-3 PCB PCB SUB-POSTSCRIPT“ML-6060,FR-4,4LAYER,1.6T,108x36mm” Samsung Electronics...

  • Page 101: Disp-Panel Pba

    LOCATION NO. Q’ty DESCRIPTION PBA SUB-TONER 0501-000399 TR-SMALL SIGNAL “KSC945-G,NPN,250mW,TO-92,TP,20” 0601-001276 LED-IR “ROUND,5,20,5,-,-” 0603-001025 PHOTO-TR “NPN,30V,4V,50mA,150mW,BK” 2001-000027 R-CARBON “100OHM,5%,1/4W,AA,TP,2.4X6.4MM” 2001-000281 R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R2,R4,R5” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000734 R-CARBON “4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2201-000469 “C-CERAMIC,DISC” “330pF,10%,500V,Y5P,TP,6x4,5” JC41-10520A PCB-TONER “ML-165,FR-1,1L,T1.6mm,44*34.5m” JC70-10999A “5V,T,G” IPR-ELECTRODE_PCB“ML-6000,C5201P-1/2H,T0.2,-” Samsung Electronics...
  • Page 102 2007-000766 “R-CHIP;330OHM,5%,1/10W,DA,TP,2” 2007-000766 “R-CHIP;330OHM,5%,1/10W,DA,TP,2” 2007-000781 R145 “R-CHIP;33OHM,5%,1/10W,DA,TP,20” 2007-000781 R123 “R-CHIP;33OHM,5%,1/10W,DA,TP,20” 2007-000781 R104 “R-CHIP;33OHM,5%,1/10W,DA,TP,20” 2007-000781 R149 “R-CHIP;33OHM,5%,1/10W,DA,TP,20” 2007-000953 R109 “R-CHIP;49.9OHM,1%,1/10W,DA,TP,” 2007-000953 R108 “R-CHIP;49.9OHM,1%,1/10W,DA,TP,” 2007-001067 R110 “R-CHIP;6.8KOHM,1%,1/10W,DA,TP,” 2007-001092 R107 “R-CHIP;620OHM,5%,1/10W,DA,TP,2” 2007-001092 R106 “R-CHIP;620OHM,5%,1/10W,DA,TP,2” 2007-001133 R103 “R-CHIP;68OHM,5%,1/10W,DA,TP,20” 2007-001133 R113 “R-CHIP;68OHM,5%,1/10W,DA,TP,20” 7-10 Samsung Electronics...

  • Page 103: Network Card Pba(100Base)

    C132 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C136 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000316 C185 “C-CERAMIC,CHIP;0.12nF,5%,50V,N” 2203-000476 C169 “C-CERAMIC,CHIP;1000nF,+80-20%,” 2203-000476 “C-CERAMIC,CHIP;1000nF,+80-20%,” 2203-001002 C184 “C-CERAMIC,CHIP;0.047nF,5%,50V,” 2203-001002 C182 “C-CERAMIC,CHIP;0.047nF,5%,50V,” 2203-001002 C183 “C-CERAMIC,CHIP;0.047nF,5%,50V,” 2404-000128 C186 “C-TA,CHIP;10uF,20%,16V,-,TP,60” 2404-000128 “C-TA,CHIP;10uF,20%,16V,-,TP,60” 2404-000128 “C-TA,CHIP;10uF,20%,16V,-,TP,60” 2703-000125 “INDUCTOR-SMD;10uH,10%,1.25x2x1” 2703-000125 “INDUCTOR-SMD;10uH,10%,1.25x2x1” 3301-001312 R144 “CORE-FERRITE BEAD;AB,220OHM,2X” 7-11 Samsung Electronics...
  • Page 104 Electrical Parts List NETWORK CARD PBA(100BASE) SEC CODE LOCATION NO. Q’ty DESCRIPTION 3301-001312 R138 “CORE-FERRITE BEAD;AB,220OHM,2X” 3301-001333 “CORE-FERRITE BEAD;AB,120OHM,2X” 3301-001333 “CORE-FERRITE BEAD;AB,120OHM,2X” JC13-00004A “IC-ASIC-NPC;ML-7000N3,NETBRIDG” JC41-00011A 7-12 Samsung Electronics...

  • Page 105: 8- Bloack Diagrams

    08- Bloack Diagrams 8-1 WIRING DIAGRAM Samsung Electronics...

  • Page 106: Engine Controller Block Diagram

    8-2 Engine Controller Block Diagram Samsung Electronics...

  • Page 107: Video Controller Block Diagram

    ACK ,BUSY,SELECT,ERROR,FAULT 4Mbit EIRQ2 SELIN serial Local DATA(24:31) STROBE EEPROM Talk AUTOFD PD(0:7) & Serial IOCS3,EIRQ1 Centronics Connector Engine I/F Connector ADDR4,5,15 PANEL 20Pin OPTION nRD,nWR IrDA USB_RST ,V_BUS & Serial Computer Engine Controller B’d LCD Display Panel Samsung Electronics...
  • Page 108 MEMO Samsung Electronics...

  • Page 109: Engine Control & Joint Board

    9-1. Engine Control & Joint Board Samsung Electronics...

  • Page 110: Cassette Sensor Board

    9-2. Cassette Sensor Board Samsung Electronics...

  • Page 111: Video Controller Board

    C216 C217 KM416C4104BS-5 KM416C4104BS-5 C218 C114 C219 R133 C220 C221 C222 C199 R192 C223 C200 R193 C201 R194 C202 R195 R241 C238 C230 LF11 C150 R155 C131 C115 74F157A RA11 RA12 RA10 LF20 R147 C235 C165 BAR CORDE Samsung Electronics...

  • Page 112: Panel & Lcd Board

    9-4. Panel & LCD Board Samsung Electronics...

  • Page 113: Ptl (Pre Transfer Lamp) Board

    9-5. PTL (Pre Transfer Lamp) Board Samsung Electronics...

  • Page 114: Scf(Second Cassette Feeder) Board

    9-6. SCF(Second Cassette Feeder) Board 2.65 Samsung Electronics...

  • Page 115: Infrared Adapor Board

    9-7. Infrared Adapor Board Samsung Electronics...

  • Page 116: Flash Simm Board

    9-8. Flash SIMM Board 9-9. Postscript Board Samsung Electronics...

  • Page 117: Local Talk

    9-10. Local Talk Samsung Electronics...

  • Page 118: Serial/Irda Board

    9-11. Serial/IrDA Board 9-10 Samsung Electronics...

  • Page 119: Introduction

    10-1. Introduction The purpose of the Network Printer Card(PortThru) is to enable the Samsung Printer to function as a network printer. The PortThru is a plug-in card that plugs into the Samsung Printer. The PortThru provides a Ethernet Local Area Network interface through which the printer can be connected to the network.

  • Page 120: Board Description

    Product Information 10-2. Board Description 10-2-1 Configuration of Network Board Service Part : JC92-01119A 10-2 Samsung Electronics...

  • Page 121: Network Board Connector Pin Assignment

    DGND PRES_L DGND DGND Printer Interface nPrnlrq DGND nPrnCS DGND nPrnRE DGND nPrnWE DGND nResetIn DGND 3, 58, 59, 60 DGND 8, 12, 16, 48, 52, 56 DGND DGND Pulse Serial Connector Pulse DGND DGND DGND Samsung Electronics 10-3...

  • Page 122: Troubleshooting Of Network Card

    Go to System Error Link LED on ? Go to Network Error Is it possible detecting Go to PHY chip Error using syncThru from PC ? Is it possible printing Go to Shared Memory Interface Error through network ? 10-4 Samsung Electronics...

  • Page 123: Power Error

    Is it short between Network board's input +5V and GND in the voltage = +5V ? Network board? Go to System Error or Network Error Go to System Error or Network Error Replace the board Section Section Samsung Electronics 10-5...

  • Page 124: System Error

    = 33MHz ? Check the TMODE(pin no. 63, 64) input level : Low Check the soldering status Check the EXTMREQ(pin no. 108) input level : Low If you can't repair the board Replace the board 10-6 Samsung Electronics...

  • Page 125: Network Error

    U165(pin no 53)'s Check the Y2, R97 and R105 input Clock = 25MHz ? Check the R79, R80, R112 and CN5 Check the soldering status Check the LED1 and R106 If you can't repair the board Replace the board Samsung Electronics 10-7...

  • Page 126: Phy Chip Error

    Check the Y2, R97 and R105 and input clock = 2.5MHz or 25MHz ? check the soldering status of U165 Check the RA1, RA10, R138, R144 and R145 Check the LAN Cable If you can't repair the board Replace the board 10-8 Samsung Electronics...

  • Page 127: Shared Memory Interface Error

    Check the soldering status of the U22 input level = Low ? Check the R68, R69, R70, R72, R73, R92, R127 and R128 Check the J1 connector and DRAM(U18) If you can't repair the board Replace the board Samsung Electronics 10-9...

  • Page 128: Troubleshooting Table Of Network Card

    OK then replacethe board. the Network Printer card but Printer Check the Shared Memory Cotrol signals. Refer to the Shared Memory Interface does not U22-37, 38, 39 and R68, R69 and R70 Error Section. printing. 10-10 Samsung Electronics...
  • Page 129 PMO-IDLE PICK UP MP PMO-HOUSING P/UP MP PMO-LIMIT SOLENOID PMO-HOLDER PAD MP PMO-BKT HOLDER MP PMO-ACTUATOR EMPTY PMO-SUB GUIDE MP PMO-GUIDE RING PMO-ACTUATOR PAPER RPR-PAD KNOCK UP MP RPR-RUBBER P/UP MP RPR-FRICTION PAD MP ELA HOU-BRKT DUPLEX SCREW-TAPTITE SCREW-TAPTITE RING-CS RING-E Samsung Electronics...
  • Page 130 SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE SCREW-TAPTITE RING-CS CABLE TIE CABLE TIE CABLE CLAMP SPRING-CLUTCH CBF-HARNESS-LSU(18P) CBF HARNESS-DUPLEX GND CBF HARNESS-BRUSH GND CBF HARNESS-JOINT+ENGINE CBF HARNESS-EMI WIRE CBF HARNESS-CASSETTE CBF HARNESS-SCF1 CBF HARNESS-VIDEO CBF HARNESS-SMPS Samsung Electronics...
  • Page 131 PMO-HOOK OPEN PMO-STACKER ELA UNIT-PNL&LCD SCREW-TAPTITE SPRING-LCD LOCKER IPR-INSULATOR PANEL PMO-HOUSING PANEL U PMO-HOUSING-PANEL.L PMO-KEY-SEESAW PMO-WINDOW PANEL PMO-KEY ONLINE PMO-LCD LOCKER PBA SUB DISP-PANEL PBA SUB DISP-LCD PBA SUB DISP-PNL&LCD MEA UNIT-COVER FRONT SPRING-CS PMO-COVER-FRONT PMO-BUTTON-POWER MEA UNIT-COVER LEFT Samsung Electronics...
  • Page 132 PMO-RAIL FUSER R RCT-ROLLER HEAT MEC-ROLLER PR(7300) MEA RACK-COV FU LOW SPRING-SAPERATION SPRING-FUSER EXIT BEARING-EXIT FU L BEARING-EXIT FU GEAR-EXIT LABEL(P)-CLEAN FELT PMO-GUIDE CLAW PMO-COVER FUSER LOW ROLLER-EXIT RCT-ROLLER EXIT FU MEA RACK-BRK GEAR FU RING-CS “GEAR-EXIT/U,ID” “GEAR-EXIT,IDLE(Z17)” PCT-SHEET H/R Samsung Electronics...
  • Page 133 LABEL(P)-DUPLEX LABEL(P)-ENERGY ST. “LABEL(P)-CAU,LSU” LABEL(P)-JAM2 LABEL(P)-BLANK(ML) LABEL(P)-NPC_TEST_L LABEL(R)-LASER LABEL(R)-TR CHANGE LABEL(R)-RATING LABEL(R)-S/N(STA) MEC-BARCODE PAA WOOD-PACKING ASS’Y TAPE-OPP MASKING TAPE-FILAMENT “CUSHION—CUSHION SET,N” CUSHION—SPACER BAG-PE SET CUSHION-DEV KME CUSHION-DEV CUSHION-CST INA-ACCESSORY(XAR) S/W APPLICATION-DRIVER CD MAN(BOOK)-7000N3/XAR MAN(BOOK)-USER MANUAL LABEL(R)-CUSTOMER “MAN(CARD)-WARR, STA” Samsung Electronics...

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