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Samsung ML-7000 Series Service Manual

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ML-7000 Series
ML-7050/7050N
SERVICE
Manual
Laser printer
Contents

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Summary of Contents for Samsung ML-7000 Series

  • Page 1: Table Of Contents

    ML-7000 Series ML-7050/7050N 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. 1999 Printed in Korea VERSION NO. : 0.1 P/N. JC68-00260A...

  • Page 3: 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 4 - AVATTAESSA JA SUOJALUKITUS OHITEETTAESSA OLET ALTTINA NÄKYMÄTTÖMÄLLE LASER SÄTELYLLE ÄLÄ KATSO SÄTEESEEN. LSU caution label is located on the LSU top side CLASS 1 LASER PRODUCT LASER KLASSE 1 LUOKAN 1 LASERLAITE APPAREIL A LASER DE CLASSE 1 TO IEC 825 Samsung Electronics...

  • Page 5: 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 6: Product Information

    Product Information 3. Product Information Engine Specification Item Descriptions Remarks Samsung Electronics...
  • Page 7 Product Information Controller Specification Item Descriptions Remarks ’ Samsung Electronics...

  • Page 8: 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 9 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 10 Disassembly The left hand should slide the Cover Right to the backward. Samsung Electronics...
  • Page 11 Please see the hook of the Cover Left. Pull the Hook and release it Screw from the frame. Hook Hook Slide the Cover Left to the backward with pulling the hook out. The Cover Left can be easily removed. Pull Samsung Electronics...
  • Page 12 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 13 4-3-5. Cover Rear Open the Cover Rear. Stripe Detach the stripe by pushing the stripe. There is a hook holding the stripe. Cover Rear After detaching the stripe from the Cover Rear, Release the Cover Rear from the hinge. Hinge Samsung Electronics...
  • Page 14 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 Postscript SiMM Frame ICU Socket Samsung Electronics...
  • Page 15 Remove the screws which hold the Bracket ICU to the frame and detach controller from the frame. You can see the Frame ICU. Screw Parallel I/F Reserved for Network Reserved for Serial Screw Connector for Network Hyper chip ASIC (SPGP1) Video Controller Board Samsung Electronics...
  • Page 16 4-5 Fuser Ass’y Open the Cover Rear and see the screws and unscrew and remove the Cover pcb. Screw Cover pcb for engine B’d After removing the Cover pcb, unplug the Thermistor connector from the Engine Board. Thermistor connector Samsung Electronics...
  • Page 17 The AC connector for fuser is designed to be directly connected to the AC socket which is positioned in the frame. Screw Screw Screw Screw exit sensor actuator < Fuser Ass’y > 4-10 Samsung Electronics...
  • Page 18 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 19 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 20 Cover Open Cover Open Switch unit 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. Samsung Electronics 4-13...
  • Page 21 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 22 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 23 Disassembly There are two wires for LSU. One is LSU motor and the other is Laser beam control. The wires are wire to wire types. You can easily disconnect the wires. After disconnection, unscrew and remove LSU. 4-16 Samsung Electronics...
  • Page 24 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 25 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 26 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 27 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 28 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 29 Open the Cover Rear and remove the Cover PCB. After removing Cover Rear, disconnect Screw all wires from the PCU. and then wires remove the screw of Ground Shield SMPS, Turn over the printer. 4-22 Samsung Electronics...
  • Page 30 Disassembly Bar Cross Bottom 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 31 After unscrewing, lift the PCU like above figure. 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. 4-24 Samsung Electronics...
  • Page 32 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 33 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 34 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 35 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 36: 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 37 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 38 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 39 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 40 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 41 - 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 42 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 43 +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 44 +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 45 +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 46 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 47 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 48 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 49 SPGP1’s pin No. 239. No operation Check the TS*(pin No.51) input check solddering status pulse of U10 : 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 50 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(U10) If yoy can’t repair the board Replace the board Samsung Electronics 5-15...
  • Page 51 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 (U19, U22) Check. the soldering status of SPGP1 (U10) Go to system error 5-16 Samsung Electronics...
  • Page 52 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 53 Troubleshooting MEMO 5-18 Samsung Electronics...

  • Page 54: Exploded Views & Parts List

    Exploded Views 6. Exploded Views & Parts List Main Ass’y 1017 1017 800-1 1009 1017 100-14 1008 1008 500-1 1008 800-3 800-4 1028 1008 800-2 1008 1008 Samsung Electronics...
  • Page 55 Exploded Views MEMO Samsung Electronics...
  • Page 56 Exploded Views 6-1-1. Cover Ass’y 800-1-2-1 800-1-1 800-1 800-1-2 1015 801-1 1017 1013 1029 812-1 800-2 812-2 1013 1008 832 831 1017 800-4 1028 800-3 Samsung Electronics...
  • Page 57 Exploded Views 850-2 850-1 Samsung Electronics...
  • Page 58 IPR-SPRING UPPER DP PMO-ROLLER UPPER DP ICT-BRKT REAR COVER 1029 SCREW-TAPTITE 850-1 MEA RACK-COVER TRAY JC97-01037B PMO-COVER TRAY PMO-COVER COLOR PMO-SUB TRAY FIRST PMO-SUB TRAY SECOND 850-2 MEA RACK-TRAY MP JC97-01038B PMO-TRAY MP PMO-SIDE GUIDE TRAY ICT-SHEET SIDE GUIDE Samsung Electronics...
  • Page 59 Exploded Views 6-2-1. Frame Ass’y Samsung Electronics...
  • Page 60 JC96-01143A IPR-BRKT PAPER SIZE IPR-PUSH PLT SPRING PBA SUB-CASSETTE 1001 SCREW-MACHINE 100-8 ELA HOU-PTL JC96-01141A PMO-COVER QUENCHING PBA SUB-PTL 100-9 ELA HOU-SMPS 220V IPR-SHIELD SMPS SMPS-220V JC44-10503A 100-9 ELA HOU-SMPS 110V IPR-SHIELD SMPS SMPS-110V JC44-10502A PMO-CAP WIRE SUPPORT Samsung Electronics...
  • Page 61 IPR-GROUND DU BRKT IPR-GROUND EXIT ROLL IPR-GROUND MP CON IPR-GROUND OPC IPR-GND SHIELD SMPS IPR-GUIDE P/FRONT JC70-10964A MEA RACK-GUIDE P/UPP JC97-01228A PMO-HINGE GUIDE R PMO-HOLDER G/PAPER IPR-TERMINAL T/R “GEAR-EXIT/U,ID” JC66-40211B 164-1 “GEAR-EXIT,IDLE(Z17)” GEAR-P/UP DRIVE “GEAR-DP,IDLE” IPR-GROUND FUSER R Samsung Electronics...
  • Page 62 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1015 SCREW-TAPTITE 1017 SCREW-TAPTITE 1017-1 SCREW-TAPTITE 1020 RING-CS 1026 CABLE CLAMP 1028 SCREW-MACHINE 1030 SCREW-TAPTITE Samsung Electronics...
  • Page 63 Exploded Views 6-3-1. Cassette Ass’y 6-10 Samsung Electronics...
  • Page 64 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)-CST REAR LABEL(R)-INSTRUCTION “SPRING-LOCKER,PLATE” PMO-LOCKER PLATE 1001 SCREW-MACHINE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1007 SCREW-TAPTITE 1013 SCREW-TAPTITE 1023 RING-E Samsung Electronics 6-11...
  • Page 65 Exploded Views 6-4-1. MP Tray Ass’y 1013 1017 1024 1013 1013 6-12 Samsung Electronics...
  • Page 66 RPR-FRICTION PAD MP SPRING-F/P MP PMO-SUB GUIDE MP PMO-ACTUATOR EMPTY PMO-ACTUATOR PAPER IPR-K/UP PLATE MP RPR-PAD KNOCK UP MP PMO-BUSHING K/UP MP SPRING-KNOCK UP MP PMO-GUIDE RING CBF HARNESS-MP 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1015 SCREW-TAPTITE 1024 RING-E Samsung Electronics 6-13...
  • Page 67 Exploded Views 6-5-1. Pick Up Ass’y 1020 1009 6-14 Samsung Electronics...
  • Page 68 PMO-FEED ROLL DRIVE ICT-SHAFT FEED 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 1009 SCREW-TAPTITE 1020 RING-CS Samsung Electronics 6-15...
  • Page 69 Exploded Views 6-6-1. Fuser Ass’y 500-1 1018 1015 1015 1020 1018 1013 1015 1010 6-16 Samsung Electronics...
  • Page 70 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 115V 4713-001073 LAMP-HALOGEN 220V 4713-001072 GEAR-EXIT 1010 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1013 SCREW-TAPTITE 1016 SCREW-TAPTITE 1016 SCREW-TAPTITE 1020 RING-CS Samsung Electronics 6-17...
  • Page 71 Exploded Views 6-7-1. Shield Ass’y 1015 1011 1010 1027 1027 600-1-1 600-1-2 1010 1010 1010 1015 6-18 Samsung Electronics...
  • Page 72 RCT-ROLLER LOWER DP 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 1010 SCREW-TAPTITE 1010 SCREW-TAPTITE 1010 SCREW-TAPTITE 1015 SCREW-TAPTITE PPR-INSULATOR PCU Samsung Electronics 6-19...
  • Page 73 Exploded Views 6-8-1. Bracket Duplex Ass’y 600-2 1021 1021 1015 1016 1020 1021 6-20 Samsung Electronics...
  • Page 74 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 1015 SCREW-TAPTITE 1015 SCREW-TAPTITE 1020 RING-CS 1021 RING-E 1029 SCREW-TAPTITE Samsung Electronics 6-21...
  • Page 75 Exploded Views 6-9-1. Bracket Motor Ass’y 1002 1022 1004 1019 703 707 6-22 Samsung Electronics...
  • Page 76 SEC.Code Q’ty Remark ELA HOU-BRKT MOTOR JC96-01058B “GEAR-IDLE 142,X” “GEAR-66/25,X” GEAR-OPC DRIVE(12) GEAR-125/18 GEAR-IDLE FU GEAR-FEED DRIVE GEAR-OPC DRV2 GEAR-FUSER DRIVE IPR-BRKT GEAR “ICT-BRK MOTOR,X” MOTOR-STEP 3101-001152 1002 SCREW-MACHINE 1004 SCREW-MACHINE 1019 WASHER-PLAIN 1019 WASHER-PLAIN 1022 RING-E Samsung Electronics 6-23...
  • Page 77 Exploded Views 6-10-1. Frame SCF Ass’y 1007 1015 1007 1015 1022 1022 1023 1022 1007 1022 1015 1023 1022 1007 1002 1022 1007 1015 1007 1022 1015 1001 1015 1015 1007 6-24 Samsung Electronics...
  • Page 78 IPR-GROUND BOTTOM 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 Samsung Electronics 6-25...
  • Page 79 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 6-26 Samsung Electronics...
  • Page 80 Exploded Views 6-11-1. Cassette SCF Ass’y 950-1 1007 1007 1022 1007 1001 1013 Samsung Electronics 6-27...
  • Page 81 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 6-28 Samsung Electronics...

  • Page 82: Electrical Parts List

    2001-000290 “R30,R37,R39,R46,R58” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 R509 R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R59,R60,R74,R75,R76” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000290 “R77,R93,R94,R96,R97” R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000362 “R155,R175,R506” R-CARBON “150OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000362 “R24,R79,R85,R90,R104” R-CARBON “150OHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000429 R157 R-CARBON “1KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000429 R-CARBON “1KOHM,5%,1/8W,AA,TP,1.8X3.2MM” 2001-000429 “R61,R73,R78,R107,R140” R-CARBON “1KOHM,5%,1/8W,AA,TP,1.8X3.2MM” Samsung Electronics...
  • Page 83 “C94,C100,C101,C102,C103” “C-CERAMIC,DISC” “1nF,10%,50V,Y5P,TP,4x3.5,5” 2201-000019 “C-CERAMIC,DISC” “10nF,+80-20%,500V,Y5V,TP,13.5x” 2201-000119 “C10,C11,C21,C31,C32” “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000119 “C35,C38,C41,C43,C47” “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000119 “C49,C60,C64,C66” “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000119 C505 “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000119 “C72,C75,C81,C85,C88” “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000119 “C90,C107,C501,C503,C504” “C-CERAMIC,DISC” “100nF,+80-20%,50V,Y5V,TP,8x3.5” 2201-000138 “C27,C28,C54,C56,C83” “C-CERAMIC,DISC” “100pF,10%,50V,Y5P,TP,4.0X4.0,2” 2201-000138 “C91,C95,C104” “C-CERAMIC,DISC” “100pF,10%,50V,Y5P,TP,4.0X4.0,2” Samsung Electronics...
  • Page 84 R-CHIP “2.2KOHM,5%,1/10W,DA,TP,2012” 2007-000781 “R10,R45,R206,R207,R208” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R106,R115,R116,R117,R119” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R121,R128,R148,R152,R159” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R160,R166,R185,R186,R191” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 R209 R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R33,R34,R35,R36,R43” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R50,R51,R52,R53,R58” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R60,R61,R62,R63,R64” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2007-000781 “R74,R75,R84,R85,R93” R-CHIP “33OHM,5%,1/10W,DA,TP,2012” Samsung Electronics...
  • Page 85 “C54,C55,C56,C57,C58” “C-CERAMIC,CHIP” “0.47nF,5%,50V,NP0,TP,2012” 2203-000938 “C59,C135,C216,C218,C219” “C-CERAMIC,CHIP” “0.47nF,5%,50V,NP0,TP,2012” 2203-001158 “C129,C173” “C-CERAMIC,CHIP” “0.068nF,5%,50V,NP0,TP,2012” 2404-000128 “C60,C132” “C-TA,CHIP” “10uF,20%,16V,-,TP,6032,-” 2404-000468 “C171,C202,C214,C226” “C-TA,CHIP” “33uF,20%,16V,GP,TP,7343,-” 2404-000468 “C18,C50,C72,C115” “C-TA,CHIP” “33uF,20%,16V,GP,TP,7343,-” 2804-000380 OSC2 OSCILLATOR-CLOCK “50MHz,100ppm,10 TTL,-,5V,40mA” 2804-001131 OSC1 OSCILLATOR-CLOCK “62.76397MHz,100ppm,10TTLs MAX,” 2901-000229 “LF10,LF11,LF2,LF3” FILTER-EMI SMD “50V,300mA,-,22nF,4.5x1.8x3.2mm” Samsung Electronics...
  • Page 86 0801-001075 IC-CMOS LOGIC “74ACT138,DEMUX,SOP,16P,150MIL,” 1107-001077 “U1,U2” IC-FLASH MEMORY “29F800,512Kx16BIT,SOP,44P,512M” 2007-000029 “R1,R3,R8,R11” R-CHIP “0OHM,5%,1/10W,DA,TP,2012” 2007-000290 R-CHIP “100OHM,5%,1/10W,DA,TP,2012” 2007-000300 “R7,R12,R13” R-CHIP “10KOHM,5%,1/10W,DA,TP,2012” 2007-000781 R-CHIP “33OHM,5%,1/10W,DA,TP,2012” 2203-000192 “C1,C2,C5” “C-CERAMIC,CHIP” “100nF,+80-20%,50V,Y5V,TP,2012,” JC41-10514A PCB-FLASH SIMM PCB-FLASH SIMM “ML-165,FR-4,4L,1.6T,102.87*35” JF68-30527N “U2,U13” LABEL(R)-BAR CODE “SF500,PY,20X10,T0.1,WHT” Samsung Electronics...
  • Page 87 JC39-40531A CBF HARNESS-PTL“ML-165,-,UL1061,170mm,RED/WHT,” JC94-00981A PRA AUTO-PTL “ML-165,-,-,217.7X9mm,-,-,-” 2001-000937 “R1,R2” R-CARBON “68ohm,5%,1/8W,AA,TP,1.8x3.2mm” JC41-10519A PCB-PTL “ML-165,FR-1,1L,T1.6mm,217.7X9m” 7-5. CASSETTE PBA SEC CODE LOCATION NO. Q’ty DESCRIPTION JC92-00981A PBA SUB-CASSETTE 3711-003205 CONNECTOR-HEADER“BOX,4P,1R,2.0mm,STRAIGHT,SN” JC94-00986A PRA AUTO-CASSETTE“ML-165,-,-,35.51x52.3mm,-,-,-” 3404-000116 “SW1,SW2,SW3” SWITCH-TACT “12V,50mA,160gf,6X6X3.6mm,SPST” JC41-10517A PCB-CASSETTE “ML-165,FR-4,2L,1.6mm,35.51*52.” Samsung Electronics...
  • Page 88 SEC CODE LOCATION NO. Q’ty DESCRIPTION JC92-01007A 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 89 “R-CHIP;10KOHM,1%,1/10W,DA,TP,2” 2007-000297 R121 “R-CHIP;10KOHM,1%,1/10W,DA,TP,2” 2007-000297 R118 “R-CHIP;10KOHM,1%,1/10W,DA,TP,2” 2007-000297 R129 “R-CHIP;10KOHM,1%,1/10W,DA,TP,2” 2007-000297 “R-CHIP;10KOHM,1%,1/10W,DA,TP,2” 2007-000449 R105 “R-CHIP;180OHM,5%,1/10W,DA,TP,2” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000468 “R-CHIP;1KOHM,5%,1/10W,DA,TP,20” 2007-000511 R111 “R-CHIP;2.4KOHM,5%,1/10W,DA,TP,” 2007-000766 R125 “R-CHIP;330OHM,5%,1/10W,DA,TP,2” 2007-000766 “R-CHIP;330OHM,5%,1/10W,DA,TP,2” 2007-000766 R146 “R-CHIP;330OHM,5%,1/10W,DA,TP,2” Samsung Electronics...
  • Page 90 C145 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C153 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C152 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C151 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C154 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C158 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C141 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C144 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C135 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C134 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C133 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C148 “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000192 C149 “C-CERAMIC,CHIP;100nF,+80-20%,5” Samsung Electronics...
  • Page 91 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” 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 7-10 Samsung Electronics...
  • Page 92 “C11,C15,C18,C24” “C-CERAMIC,CHIP;100nF,+80-20%,5” 2203-000239 “C2,C12,C17” “C-CERAMIC,CHIP;0.1nF,5%,50V,NP” 2203-000455 “C7,C9,C10” “C-CERAMIC,CHIP;1nF,5%,50V,NP0,” 2203-000483 “C19,C20,C25,C26” “C-CERAMIC,CHIP;1000nF,+80-20%,” 2203-000784 “C16,C21,C22,C27” “C-CERAMIC,CHIP;0.33nF,5%,50V,N” 2203-000938 “C13,C14” “C-CERAMIC,CHIP;0.47nF,5%,50V,N” 2404-000308 “C1,C23” “C-TA,CHIP;33uF,20%,10V,-,TP,73” 2901-000229 “F1,F3” “FILTER-EMI SMD;50V,300mA,-,22n” 2901-000235 “FILTER-EMI SMD;50V,300mA,-,150” 3301-001074 “B7,B8,B9,B10” “CORE-FERRITE BEAD;AB,2.0x1.25x” 3301-001074 “B1,B2,B4,B5,B6,” “CORE-FERRITE BEAD;AB,2.0x1.25x” JC41-00010A “PCB-IRDA&SERIAL;ML-7000/NEC,FR” 7-11 Samsung Electronics...
  • Page 93 Electrical Parts List MEMO 7-12 Samsung Electronics...
  • Page 94 ? @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ h h h h Samsung Electronics...

  • Page 95: Block Diagrams

    @ @ @ ? @ @ @ ? @ @ @ ? ? @ @ @ 7 @ @ ? @ @ @ ? ? V 4 @ @ @ @ @ L ? @ @ @ ? Samsung Electronics...
  • Page 96 I 4 @ @ @ @ @ @ X @ @ @ ? @ @ @ @ @ @ @ @ @ @ Y ? @ @ @ @ @ @ @ @ @ @ @ ? V @ @ @ @ @ @ @ @ @ @ @ @ @ @ R @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? ? @ e @ @ @ @ @ @ @ @ e @ ? ? @ @ @ @ @ @ @ @ @ @ ? ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ Y O ) T @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ W & > @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ e @ Y g 3 @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ) K ? V @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ 6 K ? @ @ @ @ @ @ W @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ X ? @ @ ? O & @ L ? e @ @ @ @ ? @ @ @ @ @ @ @ ? @ @ @ ? @ @ @ ? @ @ ? e @ @ @ @ @ @ ? @ @ @ @ @ @ @ ? @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ ? ? @ @ @ @ @ f N @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ U f ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ) X @ @ @ ? @ @ @ ? @ @ ? @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ H g h g Samsung Electronics...
  • Page 97 Block Diagrams MEMO Samsung Electronics...

  • Page 98: Pcb Diagrams

    PCB Diagrams 9. PCB Diagrams 9-1. Engine Control & Joint Board Engine Control Service Part’s Code : JC92-01100A Joint Board Service Part’s Code : JC92-00963A Samsung Electronics...
  • Page 99 PCB Diagrams 9-2. Cassette Sensor Board Service Part’s Code: JC96-01143A (PBA Code: JC92-00981A) Samsung Electronics...
  • Page 100 PCB Diagrams 9-3. Video Controller Board: Service Part’s Code: JC92-01101A Samsung Electronics...
  • Page 101 PCB Diagrams 9-4. Panel & LCD Board Panel Service Part’s Code: JC92-00972A LCD Service Part’s Code: JC92-00973A Samsung Electronics...
  • Page 102 PCB Diagrams 9-5. PTL (Pre Transfer Lamp) Board Service Part’s Code: JC92-00979A Samsung Electronics...
  • Page 103 PCB Diagrams 9-6. SCF(Second Cassette Feeder) Board Service Part’s Code: JC92-01062A Samsung Electronics...
  • Page 104 PCB Diagrams 9-7. Infrared Adapor Board Service Part’s Code: JC92-00974A Samsung Electronics...
  • Page 105 PCB Diagrams 9-8. Flash SIMM Board 2M Byte Service Part’s Code: JC92-00976A 4M Byte Service Part’s Code: JC92-00977A 9-9. Postscript Board Service Part’s Code: JC92-01012A Samsung Electronics...
  • Page 106 PCB Diagrams 9-10. Local Talk Service Part’s Code: JC92-00971A Samsung Electronics...
  • Page 107 PCB Diagrams 9-11. Serial/IRDA Board Service Part’s Code: JC92-01116A 9-10 Samsung Electronics...

  • Page 108: Port Thru (Network Printer Card)

    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 109 Product Information 10-2. Board Description 10-2-1 Configuration of Network Board Service Part : JC92-01119A 10-2 Samsung Electronics...
  • Page 110 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 111 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 112 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 113 = 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 114 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 115 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 116 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 117 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...

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