Samsung ML 7000, Service Manual

Page 1: ...nter Contents SERVICE 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 ...

Page 2: ...Samsung Electronics Co Ltd September 1999 Printed in Korea VERSION NO 0 1 P N JC68 00260A ELECTRONICS ...

Page 3: ...ation where someone may trip on the cord 6 Select a work surface that is lartge enough to hold the printer 7 Operate this printer using the power source 110V 220V etc indicated on the marking label If you are not sure of the type of power source available consult your dealer or local power company 8 If you need to use an extension power cord with this printer make sure that is uses a three wire gr...

Page 4: ...AUTION INVISIBLE LASER RADIATION WHEN THIS COVER OPEN DO NOT OPEN COVER VORSICHT UNSICHTBARE SASERSTRAHLUNG WENN ABDECKUNG GEÖFFNET NICHT DEM STRAHL AUSSETZEN ATTENTION RAYONNEMENT LASER INVISIBLE EN CAS D OUVERTURE EXPOSITION DANGEREUSE AU FAISCEAU ATTENZIONE RADIAZIONE LASER INVISIBLE IN CASO DI APETURA EVITARE L ESPOSIZIONE AL FASCIO PRECAUCION RADIACION LASER IVISIBLE CUANDO SE ABRE EVITAR EXP...

Page 5: ...oscillator cm centimeter s OUT output CON connector PIC picture GND ground pos positive or position HLDA hold acknowledge pot potential HLDAR hold acknowledge received psynrq page synchronization request HLDR hold request pwr power HOR horizontal qty quantity in inch es or input sw switch INTA interrupt Acknowledge sync synchronous or synchronization INT Interrupt tach tachometer INTR Interrupt re...

Page 6: ...3 Product Information Engine Specification Item Descriptions Remarks Product Information Samsung Electronics 3 1 ...

Page 7: ...Controller Specification Item Descriptions Remarks Product Information Samsung Electronics 3 2 ...

Page 8: ... Disassembly 4 1 Front View 4 2 Rear View Disassembly Samsung Electronics 4 1 Control Panel Cover Open Cover Front Cover Tray Power Switch Paper Level Indicator Cover Rear Controller Cassette Power Inlet ...

Page 9: ...cs 4 2 Remove the screws and open the Cover Rear 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 Screw Cover Rear Cover Right Screw Hook ...

Page 10: ...Disassembly Samsung Electronics 4 3 The left hand should slide the Cover Right to the backward ...

Page 11: ...ics 4 4 Remove screw and open the Cover Rear Please see the hook of the Cover Left Pull the Hook and release it from the frame Slide the Cover Left to the backward with pulling the hook out The Cover Left can be easily removed Hook Pull Hook Screw ...

Page 12: ...sembly 4 9 4 3 4 Cover Main Disassembly Samsung Electronics 4 5 Open the Cover Open Remove two screws See the hooks Push the hooks up and pull them upward With holding Cover Main remove the panel wire Cover Open Cover Main Up Screw Cover Top Screw ...

Page 13: ...y Samsung Electronics 4 6 Open the Cover Rear Detach the stripe by pushing the stripe There is a hook holding the stripe After detaching the stripe from the Cover Rear Release the Cover Rear from the hinge Cover Rear Stripe Hinge ...

Page 14: ...e Shield ICU is important for EMI and protection for Controller After removing Shield ICU you can see the assembled controller Unplug the panel cable and engine I F cable with care and remove the screws from the frame Shield ICU Screw Panel Cable Frame ICU RAM Simm Socket Controller Board Engine I F cable Flash SIMM or Postscript SiMM Socket Joint Board ...

Page 15: ... screws which hold the Bracket ICU to the frame and detach controller from the frame You can see the Frame ICU Screw Screw Reserved for Serial Parallel I F Reserved for Network CPU Connector for Network ASIC SPGP1 Video Controller Board Hyper chip ...

Page 16: ...msung Electronics 4 9 Open the Cover Rear and see the screws and unscrew and remove the Cover pcb After removing the Cover pcb unplug the Thermistor connector from the Engine Board Screw Cover pcb for engine B d Thermistor connector ...

Page 17: ... the fuser ass y to the frame You should unscrew and pull the fuser out and it will be removed The AC connector for fuser is designed to be directly connected to the AC socket which is positioned in the frame Screw Screw exit sensor actuator Fuser Ass y Screw Screw ...

Page 18: ...ung Electronics 4 11 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 ...

Page 19: ...t Motor ass y is located in the right upper side Remove 7 black screws and detach the ass y from the frame and unplug the motor connector from the motor You can see the Bracket Motor ass y Motor and several gears are assembled in one gear bracket Bracket Motor Ass y Motor Bracket Motor Ass y ...

Page 20: ...moving the Bracket Motor ass y you can see the 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 ...

Page 21: ...than 100 000 pages the pickup ass y may be needed to be replaced depending on feeding quality Remove the screw of Bracket Support and tension spring Lift Guide Front Duplex and remove the 3 mounting screws of Pickup Ass y Pickup Ass y Tension Spring Guide Front Duplex Screws Screw ...

Page 22: ... 15 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 Cover Top Cap wire LSU ...

Page 23: ...msung Electronics 4 16 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 ...

Page 24: ...ay Disassembly Samsung Electronics 4 17 Hold the MP tray and pull it to the arrow direction See the Links which hold the MP tray in the both side Hold the Links and pull it to the arrow direction Remove the Cover main Hook ...

Page 25: ...Disassembly Samsung Electronics 4 18 After detaching the Tray MP see the screws and remove them Remove the hook and release the Cover Front by releasing the hook Cover Front Hook Screw ...

Page 26: ...ung Electronics 4 19 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 Screw Screw Screw Screw ...

Page 27: ... 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 LCD Ass y Cover Open Cover Top ...

Page 28: ... 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 Cover Top Hinge LCD Ass y Hook ...

Page 29: ...hen remove the screw of Ground Shield SMPS Turn over the printer Open the Cover Rear and remove the Cover PCB In order for disassembling PCU the printer should be turned upside down When turned over toner may contaminate LSU window Open the Cover Top and you should insert one paper into the inner like above figure Screw Paper wires ...

Page 30: ...Samsung Electronics 4 23 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 Bar Cross Bottom CST Sensor ...

Page 31: ... 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 Disassembly Samsung Electronics 4 24 ...

Page 32: ...ung Electronics 4 25 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 PCU room PCU Ass y ...

Page 33: ... use of right hand After removing Cover Left you can see the SMPS Unplug the power connector and release the wire from the wire guide of the 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 Disassembly Samsung Electronics 4 26 ...

Page 34: ...hich are attached to the upper frame and which are shorted when Top cover is closed namely interlock Switches for 24V for HVPS motor and for 5V for Laser beam 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...

Page 35: ... y 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 Disassembly Samsung Electronics 4 28 Holder Transfer Roller ...

Page 36: ...oller 2 Replace Transfer Roller 3 Contamination fo paper path 3 Remove the contamination on paper path 1 Check HVPS output voltage 1 Refer to HVPS output spec 2 OPC Drum contamination or Replace the engine board image cartridge life 2 Replace the image cartridge 3 Check the contamination of 3 Clean the lens with a soft Back Ground PTL lens dry cloth 4 Check the terminal contact for 4 Fix the termi...

Page 37: ...onfirm the voltage between GND OPC and GND Frame 130V approx 3 Check LSU operation 3 Replace the LSU Refer to DCU control 05 Refer to 4 8 4 Compare new video board 4 Replace the video board with present one 5 Toner empty 5 Replace the image cartridge 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 boa...

Page 38: ... Transfer Roller P T L LED Array INSERT IMAGE CARTRIDGE CHARGER TRANSFER BIAS SUPPLY 1 Turn off the printer 2 Open the rear cover and disassemble the cover shield 3 Connect the DCU on engine board and close the rear cover 4 Open the top cover 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 ...

Page 39: ...efect 2 If the thermistor wire of the fuser unit Internal Error 11 Normal 2 400kΩ is defected replace it Fuser Error 3 Check SMPS 3 If the fuser unit is normal CN2 conection on SMPS replace SMPS Fuse F2 open Defect of component related to Fuser control 4 Check Engine Board 4 If not normal operation after replacing CN7 connection it replace the engine board Fuser control line Cn5 2 level Lamp on 0 ...

Page 40: ...ard Refer to DCU mode 07 2 Replace Duplex sensor actuator Duplex Jam 2 2 Check the Duplex sensor 2 actuator 3 Replace Gear of shield pcb 3 Check the Gear of shield pcb Refer to 4 11 6 7 Check all the gear for correct installation 1 Check the LED Array 1 Replace LED Array PTL Error 2 Check the cable connection or wire defect Refer to 6 2 Pre Transfer Lamp 3 Check Joint board 2 Replace harness or re...

Page 41: ...gine board Jam 0 Check MP solenoid Refer to 4 11 1 Paper is not The resistance of MP solenoid 70 80Ω 2 Replace PAD exitted from cassette 2 Check PAD of Pickup roller Refer to 4 9 6 4 3 Check Joint board 3 Replace Joint board 2 Paper is stopped Measure the CN503 2pin Refer to 4 4 before feed sensor 4 Check the Gear of multi Purpose 4 Replace Pickup Unit Gear Pickup Unit 5 Connect the cable correctl...

Page 42: ...ssette Feeder 1 Check the paper empty sensor 1 Replace the paper empty sensor on Refer to DCU mode 07 Engine board 2 Check the paper empty sensor actuator 2 Replace paper empty sensor actuator 2 Multi Purpose Feeder 1 Check the paper empty sensor for MP 1 Replace MP sensor assembly Paper Empty Refer to DCU mode 07 2 Replace MP paper empty sensor 2 Check the MP paper empty sensor actuator actuator ...

Page 43: ... 4 DGND DGND DNGD 1 24VS2 24V 24V 2 FUSERON 24V L O CN5 3 5 7 AGND AGND AGND SMPS 4 5Vs 5V 5V 6 8 10 5V 5V 5V 9 11 12 DGND DGND DGND 13 14 15 16 24VS2 24V 24V 1 2 3 5V 5V 5V 4 MP_CLUTCH L 0 7V O 5 5Vs 5V 5V 6 Q_LAMP L 0 7V O 7 9 24VS2 24V 24V CN6 8 SCF_READY H L I JOINT BOARD 10 STS_SCF PULSE PULSE I INTERFACE 11 13 AGND AGND AGND 12 MP_PAPER H L I 14 TONER H L I 15 17 DGND DGND DGND 16 CMD_SCF PU...

Page 44: ...R H L I 15 CMD_SCF PULSE PULSE O 16 18 DGND DGND DGND 17 OPT_CLK PULSE PULSE O 1 5V 5V 5V 2 AGND AGND AGND CN503 3 24V 24V 24V SCF 4 STS_SCF PULSE PULSE O INTERFACE 5 CMD_SCF PULSE PULSE I 6 OPT_CLK PULSE PULSE I 7 SCF_READY H L O 8 DGND DGND DGND CN502 1 24V 24V 24V MP_CLUTCH 2 MP_CLUTCH 24V L O CN504 1 5V 5V 5V Q_LAMP 2 Q_LAMP 5V L O CN505 1 MP_SENSOR H L I MP_SENSOR 2 DGND DGND DGND 3 5V 5V 5V ...

Page 45: ...D AGND 12 24VS2 24V 24V 13 STACKER H L I 14 DGND DGND DGND 15 5V 5V 5V 16 KEY_DEV H L I 17 DGND DGND DGND 18 5V 5V 5V 1 EBUSY H L O 2 17 19 20 21 DGND DGND DNGD 22 23 24 3 EMSG H L O 4 EXIT_PAP H L O 5 CCLK H PULSE I CN10 6 PRINT H L I VIDEO 7 VDI H L I CONTROLLER 8 CPRDY INTERFACE 9 PSYNC H O 10 READY H L O 11 HSYNC H L O 12 NC NC NC 13 15 16 18 5V 5V 5V 25 27 28 14 CMSG H I Samsung Electronics 5...

Page 46: ...ERFACE 6 OPT_CLK PULSE PULSE I 7 SCF_READY H L O 8 DGND DGND DGND 1 MOT_PA 24V PULSE CN2 2 MOT_PB 24V PULSE O MOTOR 3 MOT_PA 24V PULSE O 4 MOT_PB 24V PULSE O 1 5V 5V 5V CN3 2 DCU_IN OUT PULSE PULSE I O DCU 3 DCU_CLK CLOCK CLOCK O 4 DGND DGND DNGD CN4 1 24V 24V 24V PICK UP 2 CLUTCH 24V L O 1 CASET_1 H L I CN5 2 CASET_2 H L I CASSETTE 3 CASET_3 H L I 4 DGND DGND DNGD Troubleshooting Samsung Electron...

Page 47: ...for PowerPC 603e the input low level is less than 0 8V and the input high level is more than 2 0V 3 USE an oscilloscope or logic analyzer for inspecting the crystal oscillator or its waveform 5 5 1 Troubleshooting Flow Chart Samsung Electronics 5 12 Troubleshooting Does it light up the backlight of LCD Turn off power and turn on again in approx 5 seconds and wait 1 minute Go to Power Error No Yes ...

Page 48: ...ard s input voltage 5V Check the connection of Power cord and Cables Power Error Replace the LCD Ass y board of display panel Repair the board Refer to the No Power sectino of engine troubleshooting No Is it short between 5V and GND in the Video board No Yes Yes ...

Page 49: ...k the 74F14 U24 s pin No 4 Reset signal Nomally high during operation No U18 pin No 214 s Reset Input level high No SPGP1 pin No 237 s input Clock 50MHz Check the FS741 U21 pin No 6 and OSC2 No U18 pin NO 212 s Input Clock 25MHz Check the solddering status of SPGP1 s pin No 239 Check the TS pin No 51 input pulse of U10 active low No check solddering status No operation Check the ADS pin No 66 inpu...

Page 50: ...ulse signal of the pin No 8 of connector J2 If the video signal is operation refer to the section of Engine troubleshooting Check the input pulse of the pin No 10 PSYNC and pin No 12 HSYNC fo connector J2 No Refer to the scanner error section of Engine troubleshooting Replace OSC1 No operation Yes No Check the soldering status of Hyper U23 Check the pulse of the VCLK pin No 25 and LSYNC pin No 95 ...

Page 51: ...eck the soldering status of SPGP1 U10 s pin No 65 85 Parallel Interface Error Replace the board Check the signal pulse of BUSY ACK STROBE If you can t repair the board Check the soldering status of DRAM U19 U22 Check the soldering status of SPGP1 U10 Printing Error Go to system error ...

Page 52: ...high during operation System source clock is a 50MHZ Check point U21 FS741 s pin No 6 Replace the FS741 The output clock of SPGP1 is a 25MHZ The input clock of CPU U18 is a 25MHZ Replace the board The video data colck source is a 62 7639MHZ at OSc1 The input clock of U23 is a 62 76397MHZ 3 White copy The output clock of U23 is a 16MHZ The input clock of U18 s pin No 125 is a 16MHZ Replace the boar...

Page 53: ...MEMO Samsung Electronics 5 18 Troubleshooting ...

Page 54: ...Samsung Electronics 6 1 Exploded Views Main Ass y 1017 1017 1009 1008 1028 1008 1017 1008 1008 1008 1008 800 1 100 14 500 1 800 4 826 900 950 400 800 2 201 300 700 800 3 850 6 Exploded Views Parts List ...

Page 55: ...Samsung Electronics 6 2 Exploded Views MEMO ...

Page 56: ...7 809 808 810 1013 1017 804 812 811 835 832 831 836 830 829 833 834 828 827 820 819 818 817 816 814 1015 815 813 825 822 1008 823 821 826 824 1013 1017 1028 805 803 802 801 800 3 857 857 800 2 828 837 1029 858 800 4 812 1 812 2 800 1 2 801 1 800 1 1 800 1 2 1 800 1 ...

Page 57: ...Samsung Electronics 6 4 Exploded Views 850 856 855 853 857 851 852 854 858 850 2 850 1 ...

Page 58: ...UB DISP LCD 1 X 819 PMO WINDOW PANEL 1 X 820 PMO HOUSING PANEL U 1 X 1015 SCREW TAPTITE 1 X 812 1 PBA SUB DISP PANEL 1 X 812 2 CBF HARNESS PANEL 1 X 800 2 MEA RACK COVER FRONT JC97 01024B 1 O 821 PMO COVER FRONT 1 X 822 PMO BOTTOM POWER 1 X 823 SPRING CS 1 X 800 3 MEA RACK COVER LEFT JC97 01025B 1 O 824 PMO COVER LEFT 1 X 825 PMO AIRDUCT 1 X 800 4 MEA RACK COVER REAR JC97 01026B 1 O 827 PMO COVER ...

Page 59: ...Samsung Electronics 6 6 Exploded Views 6 2 1 Frame Ass y ...

Page 60: ...C O 1 X 112 MEA RACK BRKT C O 1 X 113 PMO ACTUATOR C O 1 X 115 SPRING C O COM 1 X 116 SPRING C O 1 X 117 ELA CBF PWR 5VSWITCH JC96 01144A 1 O 118 ELA CBF PWR 24VSWITCH JC96 01145A 1 O 1006 SCREW MACHINE 2 X 1025 CABLE TIE 1 X 100 4 MEA RACK GUIDE DEV L JC97 01018A 1 O 119 PMO GUIDE DEV L 1 X 120 SPRING PS G DEV 1 X 100 5 MEA RACK GUIDE DEV R JC97 01019A 1 O 120 SPRING PS G DEV 1 X 121 PMO GUIDE DE...

Page 61: ...3 X 1008 SCREW TAPTITE 4 X 1008 SCREW TAPTITE 7 X 1008 SCREW TAPTITE 1 X 1008 SCREW TAPTITE 2 X 1008 SCREW TAPTITE 4 X 1008 SCREW TAPTITE 2 X 1008 SCREW TAPTITE 2 X 1008 SCREW TAPTITE 4 X 1008 SCREW TAPTITE 1 X 1008 SCREW TAPTITE 4 X 1008 SCREW TAPTITE 1 X 145 IPR COVER PCB JC70 10953A 1 O 146 FOOT RUBBER 2 X 147 PMO FRAME BASE 1 X 148 IPR GROUND BRKT GEAR 1 X 149 IPR GROUND FUSER 1 X 150 IPR GND ...

Page 62: ...ING E UP R 1 X 192 RCT ROLLER EXIT FD JC73 30906A 1 O 193 CBF HARNESS DPLX GND JC39 40537A 1 O 195 PMO LEVER STACKING1 JC72 41188D 1 O 196 PMO LEVER STACKING2 JC72 41228D 1 O 197 PMO LEVER SEESAW JC72 41189A 1 O 198 PHOTO INTERRUPTER 1 X 604 PMO ACTUATOR REAR DP JC72 40974C 1 O 624 ICT BRKT SUPPORTER2 1 X 810 PMO CLEANER LSU JC72 41022A 1 O 837 PMO STRIPE JC72 41004C 1 O 1028 SCREW TAPTITE 2 X 100...

Page 63: ...nics 6 10 Exploded Views 6 3 1 Cassette Ass y 201 220 207 227 1007 1007 218 1007 214 215 1013 202 1023 211 224 212 203 226 228 1001 222 210 205 223 209 204 1007 217 221 1013 208 206 225 213 226 202 216 219 970 971 229 ...

Page 64: ...WINDOW PAPER 1 X 216 IPR FINGER 1 X 217 IPR GUIDE EXT LOCK 1 X 218 IPR GUIDE PAPER SCF 1 X 219 IPR GUIDE PLT PAPER 2 X 220 IPR PLATE KNOCK UP 1 X 221 IPR PLATE SPR LOCK 1 X 222 IPR PLATE SUB K UP 1 X 223 IPR SPR PLATE G SIDE 1 X 224 SPRING LEVER 1 X 225 SPRING PLATE K UP 1 X 226 SPRING SUB PLATE 2 X 227 RPR PAD CST 1 X 228 ICT SHAFT SPR K UP 1 X 230 LABEL R CST REAR 1 X 229 LABEL R INSTRUCTION 1 X...

Page 65: ...Samsung Electronics 6 12 Exploded Views 6 4 1 MP Tray Ass y 313 302 304 325 305 306 311 302 1024 1017 312 309 310 312 324 326 316 317 301 327 1013 1013 315 303 321 320 329 318 328 115 327 1013 300 ...

Page 66: ...K UP MP 1 X 312 PMO IDLE PICK UP MP 2 X 313 GEAR CAM 1 X 315 PMO BKT HOLDER MP 1 X 316 PMO HOLDER PAD MP 1 X 317 RPR FRICTION PAD MP 1 X 318 SPRING F P MP 1 X 320 PMO SUB GUIDE MP 1 X 321 PMO ACTUATOR EMPTY 1 X 322 PMO ACTUATOR PAPER 1 X 324 IPR K UP PLATE MP 1 X 325 RPR PAD KNOCK UP MP 1 X 326 PMO BUSHING K UP MP 1 X 327 SPRING KNOCK UP MP 1 X 328 PMO GUIDE RING 1 X 329 CBF HARNESS MP 1 X 1013 SC...

Page 67: ...Samsung Electronics 6 14 Exploded Views 6 5 1 Pick Up Ass y 1020 424 409 404 404 425 425 425 425 412 411 408 413 414 417 415 401 403 404 404 410 406 405 416 418 419 416 421 420 1009 400 ...

Page 68: ...T PICK UP 1 X 409 GEAR PICK UP 1 X 410 PMO FEED ROLL DRIVE 1 X 411 ICT SHAFT FEED 1 X 412 GEAR FEED 1 X 413 PMO HOLDER FEED S 1 X 414 PMO SUB HOLDER FEED 1 X 415 IPR SHAFT FEED IDLER 2 X 416 PMO ROLLER FEED L 2 X 417 PMO ROLLER FEED S 1 X 418 SPRING FEED SMALL 1 X 419 PMO HOLDER FEED L 1 X 420 ICT SHAFT IDLE LARGE 1 X 421 SPRING FEED LARGE 1 X 424 GEAR P UP DRIVE 1 X 425 WASHER PLAIN 5 X 1009 SCRE...

Page 69: ...ploded Views 6 6 1 Fuser Ass y 1015 1018 505 503 508 502 535 536 512 506 507 529 524 525 531 526 528 509 515 523 520 519 532 521 522 533 1018 1020 1013 513 504 501 516 514 511 517 518 1010 1015 510 513 511 527 530 1015 500 1 537 ...

Page 70: ...USER JC66 40913A 1 O 517 IPR FRAME FUSER 1 X 518 PMO GUIDE FRONT 1 X 519 PMO RAIL FUSER L 1 X 520 PMO RAIL FUSER R 1 X 521 SPRING ACTUATOR 1 X 522 PMO ACTUATOR EXIT 1 X 523 PMO GUIDE REAR 1 X 524 SPRING SAPERATION 4 X 525 BEARING EXIT FU L 1 X 526 BEARING EXIT FU 1 X 527 PMO GUIDE CLAW 4 X 528 PMO COVER FUSER LOW 1 X 529 ROLLER EXIT 3 X 530 SPRING FUSER EXIT 3 X 531 RCT ROLLER EXIT FU 1 X 532 GEAR...

Page 71: ...cs 6 18 Exploded Views 6 7 1 Shield Ass y 1015 1010 1027 604 601 605 620 606 609 621 618 619 617 616 614 615 1010 1010 1015 1010 611 610 610 612 613 612 607 608 620 1027 603 602 145 1011 600 1 1 605 621 622 623 600 1 2 ...

Page 72: ... 609 BELT TIMMING 1 X 610 PMO PULLEY DUPLEX 2 X 611 GEAR DUPLEX 1 X 612 PMO BEARING LARGE DP 4 X 613 RCT ROLLER LOWER DP 2 X 614 IPR GUIDE DUPLEX 1 X 615 IPR GUIDE FRONT DP 1 X 616 PMO LEVER OPEN DP 1 X 617 SPRING FRONT DP 1 X 618 IPR BRKT SUPPORTER 1 X 619 CBF HARNESS DPLX GND 1 X 620 RPR CUSHION GUIDE 1 X 621 IPR BRKT IDLE ROLLER 1 X 622 PMO IDLE ROLLER 1 X 623 IPR SHEET FRONT DP 1 X 1010 SCREW ...

Page 73: ...Samsung Electronics 6 20 Exploded Views 6 8 1 Bracket Duplex Ass y 631 600 2 632 1021 643 645 642 640 641 636 1020 634 636 635 638 1021 1016 646 636 631 640 640 1015 633 639 638 641 647 1021 ...

Page 74: ... ICT SHAFT SWING 1 X 636 PMO BEARING LARGE DP 4 X 638 PMO BEARING SMALL DP 2 X 639 ICT SHAFT BELT 1 X 640 GEAR DP IDLE 2 X 641 GEAR DUPLEX 2 X 642 GEAR EXIT U ID 1 X 643 PMO BRKT GEAR LOWER 1 X 645 SPRING SOLENOID DP 1 X 646 SOLENOID DUPLEX 1 X 647 ICT SHAFT BELT2 1 X 1015 SCREW TAPTITE 1 X 1015 SCREW TAPTITE 2 X 1020 RING CS 3 X 1021 RING E 3 X 1029 SCREW TAPTITE 1 X Location NO Description SEC C...

Page 75: ...Samsung Electronics 6 22 Exploded Views 6 9 1 Bracket Motor Ass y 700 709 705 708 706 703 707 702 701 710 704 711 712 1022 1002 1004 1019 ...

Page 76: ...AR OPC DRIVE 12 1 X 704 GEAR 125 18 1 X 705 GEAR IDLE FU 1 X 706 GEAR FEED DRIVE 1 X 707 GEAR OPC DRV2 1 X 708 GEAR FUSER DRIVE 1 X 709 IPR BRKT GEAR 1 X 710 ICT BRK MOTOR X 1 X 711 MOTOR STEP 3101 001152 1 O 1002 SCREW MACHINE 3 X 1004 SCREW MACHINE 2 X 1019 WASHER PLAIN 1 X 1019 WASHER PLAIN 1 X 1022 RING E 1 X Location NO Description SEC Code Q ty A S Remark ...

Page 77: ...13 905 904 1007 947 903 902 910 1022 1022 1022 1023 914 915 916 917 913 1023 912 918 912 912 919 920 920 921 923 908 909 922 1007 1007 1007 1015 940 926 928 927 929 1022 1022 1022 1002 938 1022 940 948 1015 930 928 931 950 939 1015 1007 942 941 945 1001 1015 933 932 943 924 925 935 934 936 1015 1007 946 937 ...

Page 78: ... X 921 PMO IDLE FRAME 1 X 922 PMO IDLE FRAME1 1 X 923 SPRING IDLE 1 1 X 924 SPRING IDLE 2 1 X 925 PMO GUIDE PAPER2 1 X 926 IPR SCF SOLENOID 1 X 927 GEAR IDLE SCF 1 X 928 GEAR IDLE Z 30 2 X 929 GEAR IDLE 19 1 X 930 IPR SCF MOTOR 1 X 931 PMO FRAME LEFT 1 X 932 PMO FRAME RIGHT 1 X 933 IPR GROUND FEED 1 X 934 IPR PUSH PLT SPRING 1 X 935 IPR BRKT PAPER SIZE 1 X 936 IPR GROUND BOTTOM 1 X 937 IPR CASE BO...

Page 79: ...TE 6 X 1007 SCREW TAPTITE 2 X 1007 SCREW TAPTITE 4 X 1015 SCREW TAPTITE 1 X 1015 SCREW TAPTITE 1 X 1015 SCREW TAPTITE 2 X 1015 SCREW TAPTITE 2 X 1015 SCREW TAPTITE 2 X 1015 SCREW TAPTITE 2 X 1015 SCREW TAPTITE 1 X 1015 SCREW TAPTITE 2 X 1015 SCREW TAPTITE 4 X 1022 RING E 1 X 1022 RING E 4 X 1022 RING E 2 X 1023 RING E 3 X Location NO Description SEC Code Q ty A S Remark ...

Page 80: ...27 Exploded Views 6 11 1 Cassette SCF Ass y 952 951 955 956 957 1007 1007 958 953 959 954 960 961 962 964 963 965 965 966 970 971 973 1001 1013 1007 980 978 978 1022 974 973 969 972 979 977 976 975 982 981 967 968 965 950 1 ...

Page 81: ...7 PMO GUIDE REAR2 1 X 968 PMO GUIDE LOCK 1 X 969 IPR PLATE PAPER 1 X 970 SPRING LOCKER PLATE 1 X 971 PMO LOCKER PLATE 1 X 972 SPRING SCF LEVER 1 X 973 PMO BUSH K UP 2 X 974 PMO LINK LEVER 1 X 975 IPR PLATE SUB K UP 1 X 976 PMO CAP PLATE K UP 1 X 977 PMO ROLLER FD R 1 X 978 SPRING SUB PLATE 2 X 979 ICT SHAFT SPR K UP 1 X 980 PMO LEVER PAPER S 1 X 981 PMO SUB GUIDE CAST 1 X 982 PMO WINDOW PAPER 1 X ...

Page 82: ...OMP 393 DIP 8P 300MIL DUAL 36V CMO 1203 000258 U1 1 IC POSI FIXED REG 7818 TO 220 3P PLASTIC 17 3 1404 001141 TH501 1 THERMISTOR NTC 5 6Kohm 5 3200K 2 1mW C TP 2001 000003 R145 R146 R167 3 R CARBON 330ohm 5 1 8W AA TP 1 8x3 2mm 2001 000003 R40 R41 R42 R43 R135 5 R CARBON 330ohm 5 1 8W AA TP 1 8x3 2mm 2001 000005 R113 R130 R133 3 R CARBON 390ohm 5 1 8W AA TP 1 8x3 2mm 2001 000006 R1 R9 2 R CARBON 2...

Page 83: ...1 8x3 2m 2004 000544 R17 1 R METAL 21 5Kohm 1 1 8W AA TP 1 8x3 2 2004 000628 R119 1 R METAL 26 1Kohm 1 1 8W AA TP 1 8x3 2 2004 000699 R172 1 R METAL 3 3Kohm 1 1 8W AA TP 1 8x3 2m 2004 000754 R106 1 R METAL 309Kohm 1 1 8W AA TP 1 8x3 2m 2004 000965 R18 1 R METAL 470Kohm 1 1 8W AA TP 1 8x3 2m 2004 000981 R137 1 R METAL 47Kohm 1 1 8W AA TP 1 8x3 2mm 2004 001023 R36 1 R METAL 5 6Kohm 1 1 8W AA TP 1 8x...

Page 84: ...5 1 10W DA TP 2012 2007 000300 R14 R17 R27 R30 R41 5 R CHIP 10KOHM 5 1 10W DA TP 2012 2007 000300 R147 R149 R163 R164 4 R CHIP 10KOHM 5 1 10W DA TP 2012 2007 000300 R165 R174 R180 R181 R182 5 R CHIP 10KOHM 5 1 10W DA TP 2012 2007 000300 R183 R184 R190 R220 R221 5 R CHIP 10KOHM 5 1 10W DA TP 2012 2007 000300 R222 R223 R224 R225 R226 5 R CHIP 10KOHM 5 1 10W DA TP 2012 2007 000300 R227 R235 2 R CHIP ...

Page 85: ... 100nF 80 20 50V Y5V TP 2012 2203 000192 C82 C83 C85 C86 C87 5 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C88 C89 C90 C91 C93 5 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000192 C94 C96 C97 C99 C100 5 C CERAMIC CHIP 100nF 80 20 50V Y5V TP 2012 2203 000239 C157 C158 C159 C120 4 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 2012 2203 000239 C175 C188 C194 C195 C201 5 C CERAMIC CHIP 0 1nF 5 50V ...

Page 86: ...44P 600 JC11 10510A U14 1 IC MASK ROM PCL6 LOW ml 165 KM23C8105DG SOP 44P 600 JC13 00002A U10 1 IC ASIC SPGP1 ML 7000 SPGP1 QFP 240P 34 6X4 15BSC JC13 10506A U23 1 IC ASIC RET GRAY ML 165 HYPER CHIP PQFP 100P 14 JC41 00006A 1 PCB CONTROLLER ML 7000 NEC FR 4 4L 1 6T 180X210MM JC61 70938A CPU HEATSINK 1 SPRING CLIP ML 6000 SUS304CSP 0 6 3 5 44 JC62 30905A CPU 1 HEAT SINK CPU ML 6000 AL6063 JC92 0117...

Page 87: ...PCB FLASH SIMM 1 PCB FLASH SIMM ML 165 FR 4 4L 1 6T 102 87 35 Samsung Electronics 7 6 7 3 MEM PDL PBA SEC CODE LOCATION NO Q ty DESCRIPTION JC92 00979A PBA SUB PTL 0601 001244 LD1 LD10 10 LED ROUND RED 3mm 690nm 0601 001244 LD11 LD18 8 LED ROUND RED 3mm 690nm JC39 40531A CN1 1 CBF HARNESS PTL ML 165 UL1061 170mm RED WHT JC94 00981A 1 PRA AUTO PTL ML 165 217 7X9mm 2001 000937 R1 R2 2 R CARBON 68ohm...

Page 88: ...6mm 77X75mm 7 6 DISP PANEL PBA SEC CODE LOCATION NO Q ty DESCRIPTION JC92 00973A PBA SUB DISP LCD 3711 000595 CN10 1 CONNECTOR HEADER BOX 10P 1R 2mm ANGLE SN 6003 000119 LCD MODULE 1 SCREW TAPTITE BH B M3 L8 CBLACK SWRCH18A JC07 20501A LCD1 1 DISPLAY LCD MODULE ML 165 PC0802LYS AEB B R2 BLK JC72 40265A 2 PMO SPACE LCD ML 80 ABS HB JC94 00971A 1 PRA AUTO LCD ML 165 SEC USA PCL6 2001 000290 R10 1 R ...

Page 89: ...00029 R30 1 R CHIP 0OHM 5 1 10W DA TP 201 2007 000029 R72 1 R CHIP 0OHM 5 1 10W DA TP 201 2007 000238 R148 1 R CHIP 1 5KOHM 1 1 10W DA TP 2007 000297 R127 1 R CHIP 10KOHM 1 1 10W DA TP 2 2007 000297 R147 1 R CHIP 10KOHM 1 1 10W DA TP 2 2007 000297 R94 1 R CHIP 10KOHM 1 1 10W DA TP 2 2007 000297 R126 1 R CHIP 10KOHM 1 1 10W DA TP 2 2007 000297 R96 1 R CHIP 10KOHM 1 1 10W DA TP 2 2007 000297 R120 1 ...

Page 90: ... C CERAMIC CHIP 100nF 80 20 5 2203 000192 C104 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C161 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C94 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C97 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C96 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C95 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C126 1 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C88 1 C CERAMIC CHIP 100nF...

Page 91: ...AMIC CHIP 100nF 80 20 5 2203 000192 C136 1 C CERAMIC CHIP 100nF 80 20 5 2203 000316 C185 1 C CERAMIC CHIP 0 12nF 5 50V N 2203 000476 C169 1 C CERAMIC CHIP 1000nF 80 20 2203 000476 C90 1 C CERAMIC CHIP 1000nF 80 20 2203 001002 C184 1 C CERAMIC CHIP 0 047nF 5 50V 2203 001002 C182 1 C CERAMIC CHIP 0 047nF 5 50V 2203 001002 C183 1 C CERAMIC CHIP 0 047nF 5 50V 2404 000128 C186 1 C TA CHIP 10uF 20 16V T...

Page 92: ...8 R13 R19 R20 3 R CHIP 27OHM 5 1 10W DA TP 20 2007 000781 R5 R14 R17 3 R CHIP 33OHM 5 1 10W DA TP 20 2007 000931 R9 R10 R11 R12 R16 5 R CHIP 470OHM 5 1 10W DA TP 2 2007 001133 R21 R22 2 R CHIP 68OHM 5 1 10W DA TP 20 2203 000192 C3 C4 C5 C6 C8 5 C CERAMIC CHIP 100nF 80 20 5 2203 000192 C11 C15 C18 C24 4 C CERAMIC CHIP 100nF 80 20 5 2203 000239 C2 C12 C17 3 C CERAMIC CHIP 0 1nF 5 50V NP 2203 000455 ...

Page 93: ...Electrical Parts List Samsung Electronics 7 12 MEMO ...

Page 94: ... 6Ke V O2 6X hf h J Yh 3 1 I hf LfO 5 f 3 M f I MI4 h Y he h 7 1f g h Ye7 N L 6X e W2 Khf h 7 H W2 6XV V4 hf 3 K O2 H f N W 0Y I4 h H 0M f I 4 he 0Mhe I4 h f g h H e3 3 1 1 eW 6Xhe h 3 5e N I4 hf 3 N 5fW2 J h L 5f g h fV M e N e7 0MI4 1he h N HeV 0Y 3 3 Yf7 7 N O2 6X g 6X 5 h3 Kh O2 Hf g h f N Hg 5 e f I he h J e V f N V 0Y e J 3 J 6X W2 g X hN f g L h 3 g g H e gN he h fN g V4 0Mg 0M N 7 KO2 6K O...

Page 95: ... V 5 6K 3 Y H N N X W Y V4 0Y O2 H H he KgO he heJ 5he I4 6K heV Y fI4 6K V4 0Y 3 K hf O H I4 0M 6X hf O2 0Me hf J he7 Hhe I4 6K g I4 6K I4 0M V 6K h O2 5 J 1 hf O2 g hfJ 7 h J h J I4 6K I4 6K I4 0M V 6K O2 0Y O 5 hf O2 L hf7 3 h 7 5 h 7 5 I4 6K I4 6K I M V M 3 H hf W2 0MI 5 1 3 hf 5 0M e I40M h I N hJ H h H I4 6K I4 6X X V4 0Y hf W 0M f H N 6K f O2 H N L f W 5heJ I4 6X 1 X J I4 0M 7 L hf hf M f 7...

Page 96: ... 0Y g 7 Y f V e 3 f 1hfV X 7 Yh7 L f V 5gV YfJ L J K J KO H hW XfV Lf g J he3 Xe LN e L N 1 I M I4 0M h 0 4 0YhV4 e V4 f 5he V4 0Y h 1 gV4 0Yg V H f X 7 7 5he7 1f N 1e 7 L f 7 LheV 1e X e 1 5 L I40M hf M I Y I4 0M 0M he hI4 0MheV4 gV4 0Yhe g eJ Xf 1he V L 1 I M I Mh I MI40M I40M e7 XI M I 1f hfV4 0 4 0R 1 1 fN J 3 L f 5 7 V X Y J V K I4 0Y W V 6K I4 0M V 6K V 6K O K W V 6 2 6 2 6 2 6KO2 6KO2 6K O ...

Page 97: ...Samsung Electronics 8 4 Block Diagrams MEMO ...

Page 98: ...PCB Diagrams Samsung Electronics 9 1 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 ...

Page 99: ...PCB Diagrams Samsung Electronics 9 2 9 2 Cassette Sensor Board Service Part s Code JC96 01143A PBA Code JC92 00981A ...

Page 100: ...PCB Diagrams Samsung Electronics 9 3 9 3 Video Controller Board Service Part s Code JC92 01101A ...

Page 101: ...PCB Diagrams Samsung Electronics 9 4 9 4 Panel LCD Board Panel Service Part s Code JC92 00972A LCD Service Part s Code JC92 00973A ...

Page 102: ...PCB Diagrams Samsung Electronics 9 5 9 5 PTL Pre Transfer Lamp Board Service Part s Code JC92 00979A ...

Page 103: ...PCB Diagrams Samsung Electronics 9 6 9 6 SCF Second Cassette Feeder Board Service Part s Code JC92 01062A ...

Page 104: ...PCB Diagrams Samsung Electronics 9 7 Infrared Adapor Board Service Part s Code JC92 00974A 9 7 ...

Page 105: ...PCB Diagrams Samsung Electronics 9 8 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 ...

Page 106: ...PCB Diagrams Samsung Electronics 9 9 9 10 Local Talk Service Part s Code JC92 00971A ...

Page 107: ...PCB Diagrams Samsung Electronics 9 10 9 11 Serial IRDA Board Service Part s Code JC92 01116A ...

Page 108: ... 4 3 HP UX Rel 9 x Rel 10 x SCO 5 x SUN OS 5 5 SOLARIS 2 5 Macintosh APPLE Netware IPX SPX Pserver Rprint mode NDS Bindery Windows IPX SPX TCP IP DLC LLC Support protocols UNIX TCP IP APPLE EtherTalk Phase 2 Network Management SNMP MIB II Private MIB CPU 32bit RISC controller Hardware Flash memory 1M byte RAM 64 Kbyte SRAM 8M byte DRAM Interface with Shared memory 64K byte SRAM Printer Logical con...

Page 109: ...10 2 Board Description 10 2 1 Configuration of Network Board Service Part JC92 01119A Product Information Samsung Electronics 10 2 ...

Page 110: ...lse Pulse I 30 28 26 24 35 33 31 29 27 25 Data 0 15 23 22 14 13 11 10 Pulse Pulse I O 9 7 6 5 nPrnWait 41 5V DGND O PRES_L 57 DGND DGND nPrnlrq 15 5V DGND O nPrnCS 4 5V DGND I nPrnRE 50 5V DGND I nPrnWE 51 5V DGND I nResetIn 39 5V DGND I 5V 3 58 59 60 5V 5V DGND 8 12 16 48 52 56 DGND DGND RxD 1 5V Pulse I TxD 2 5V Pulse O 5V 3 5V 5V DGND 4 DGND DGND Printer Interface J1 Serial Connector CN6 ...

Page 111: ...es it light up the LEDs Turn off power and turn on again in approx 5 seconds and wait 1 minute Go to Power Error No Yes Yes Yes Yes Link LED on Go to System Error No Is it possible detecting using syncThru from PC Is it possible printing through network Go to Network Error No Go to PHY chip Error No Go to Shared Memory Interface Error No ...

Page 112: ...ror Network board s input voltage 5V Check the BD1 of the Network Card Power Error Go to System Error or Network Error Section Go to System Error or Network Error Section Replace the board No Is it short between 5V and GND in the Network board No Yes Yes ...

Page 113: ...or Check the filter BD1 No Yes Yes Yes Yes Yes No U19 pin no 12 and U165 pin no 22 s Reset input level High No CPU pin no 80 s input Clock 33MHz Check the Y1 R104 and R113 No U22 pin no 63 s input clock 33MHz No Check the soldering status Check the CPU pin no 77 and R102 Check the U22 s pin no 75 Reset signal Nomally High during operation Check the connector J1 s pin no 39 Check the U22 s pin no 1...

Page 114: ...work Board Soldering status Check the R79 R80 R112 and CN5 Check the LED1 and R106 Replace the board If you can t repair the board Network Error Check the filter L1 L2 No Yes Yes Yes No No Check the soldering status Check the Y2 R97 and R105 Check the connector J1 s pin no 39 Check the U22 s pin no 123 Check the U22 s pin no 75 Reset signal Nomally High during operation ...

Page 115: ...Network Board Solering status Check the RA1 RA10 R138 R144 and R145 Check the LAN Cable Replace the board If you can t repair the board PHY Chip Error Check the filter L1 L2 No Yes Yes Yes Yes No No Check the Y2 R97 and R105 No Check the Y2 R97 and R105 and check the soldering status of U165 Check the connector J1 s pin no 39 Check the U22 s pin no 123 Check the U22 s pin no 75 Reset signal Nomall...

Page 116: ...level Low Check the Network Board Solering status Check the R68 R69 R70 R72 R73 R92 R127 and R128 Check the J1 connector and DRAM U18 Replace the board If you can t repair the board Shared Memory Interface Error Check the filter BD1 No Yes Yes Yes Yes No No Check the Y1 and R102 No Check the soldering status of the U22 Check the connector J1 s pin no 39 Reset signal Nomally High during operation ...

Page 117: ...r Reset signal is normal high during operation Check the Y2 R97 and R105 The input clock of U165 is 25MHz If these two resistors are OK then 3 replace the Y2 Check the R79 R80 and R112 Check the output and input signal of U165 of RJ45 connector side Pin no 5 6 10 11 of U165 Check the MII signals between U26 and U165 Pin no 30 31 32 33 34 35 36 37 38 42 43 44 Refer to the section of PHY chip 4 45 4...