Service Manual, Lexmark C91x (5055-xxx)
Contents
1. Description 6 1 56P9591 1 Frame upper 2 56P9987 1 Board printhead controller S N XX 1XXXX 2B 56P9620 1 Board printhead controller S N XX 0XXXX 3 56P9638 6 Holder cable 4 56P9600 2 Cable assembly K13 5 56P9601 2 Cable assembly K24 6 56P9602 6 Cable assembly CL13 7 56P9603 6 Cable assembly CL24 8 56P9716 1 Cable assembly 8 pin PH controller 9A 56P9991 1 Cable assembly 48 pin PH controller S N XX 1XXXX 9B 56P9718 1 Cable assembly 30 pin PH controller S N XX 0XXXX 10 56P9717 1 Cable assembly 18 pin PH controller S N XX OXXXX 11 56P9720 Cable assembly PH controller power 12 56P9637 Frame printhead controller 13 56P9625 Hook right link 14 56P9626 Cover hook 15 56P9628 Pivot color link 16 56P9614 Spring return 17 56P9618 Hook right 18 56P9615 Hook middle 19 56P9612 Bracket front upper 20 56P9617 Hook left 21 56P9613 22 56P9624 23 56P9627 24 56P9616 25 56P9630 26 56P9611 27 56P9608 28 56P9609 29 56P9592 Rod interlocking Link frame Bearing roller Handle upper opening Hook left link Holder front printhead Holder front HSP Spring printhead Rail left side ROA MANN BB Bese AN Parts catalog 7 13 5055 Assembly 6 continued Upper unit 7 14 Service Manual 5055 Assembly 6 continued Upper unit Index P N Units Description 30 56P9594 4 Cover eraser 31 56P9595 1 Lamp M erase 32 56P9592. 4 56P9509 Bushing metal 5 56P9790 Roller paper carrying 6 56P9792 Holder roller 7 56P9791 Spring paper carrying 8 56P9794 Spring right turn guide 9 56P9789 Guide turn 10 56P9793 Spring left turn guide 11 56P9517 Spring right cassette guide 12 56P9519 Guide lower right cassette 13 56P9516 Spring left cassette guide 14 56P9518 Guide lower left cassette 15 56P9515 Guide upper cassette 16 11G0563 Interrupter photo 17 56P9786 Spring paper detection sensor 18 56P9784 Actuator paper detection 19 56P9787 Cable paper present sensor 20 56P9785 21 56P9788 22 56P9507 23 56P9795 24 11G0219 25 56P9510 26 56P9782 27 56P9783 28 56P9781 29 56P9511 30 56P9506 31 56P9508 32 11G0291 33 56P9797 34 11G0297 Cover paper present sensor Guide HCF Actuator paper feed sensor Cable paper present sensor Interrupter photo Shaft paper feed Spring solenoid Solenoid feeder Lever clutch Roller assembly paper feed Frame paper feed Bracket ground Clutch paper feed Cover gear Gear paper carrying oa on Pa on on on on in nn in in nn in in P BR P PH Parts catalog 7 35 5055 Assembly 15 continued Expansion feeder 2 7 36 Service Manual 5055 Assembly 15 continued Expansion feeder 2 Index P N Units Description NS 56P9956 1 Parts packet Parts catalog 7 37 5055 Asse
3. NS 11D0335 NS 11D0336 NS 11D0337 Power cord Swiss French German Italian Power cord UK Israel South Africa NS 56P9951 Parts packet NS 56P9733 Cable assembly HCPF interface NS 56P9721 Cable assembly drum eraser m 2 22 k NS 56P9964 Transformer power Japan only Parts catalog 7 25 5055 Assembly 11 Rip board 7 26 Service Manual 5055 Assembly 11 RIP board Index P N Units Description 11 1 56P9749 1 Cable assembly power RIP 2 56P9916 1 Card riser 3 56P9976 1 Board RIP controller C910 3 56P9977 1 Board RIP controller network C910 3 56P9973 1 Board RIP controller C912 3 56P9974 1 Board RIP controller network C912 4 56P9750 1 Fan RIP 5 56P9745 1 Box RIP 6 56P9719 1 Cable assembly 80 pin RIP printer controller 7 56P9736 1 Cable operator panel 8 56P9746 1 Cover RIP box NS 56P9747 1 Cable assembly power MAC NS 56P9748 1 Cable assembly MIF NS 56P9952 1 Parts packet Parts catalog 7 27 5055 Assembly 12 Fuser unit 7 28 Service Manual Assembly 12 Fuser unit 5055 xxx Index P N Units Description 12 1 56P9751 1 Fuser 120 V 1 56P9752 1 Fuser 230 V NS 56P9953 1 Parts packet Parts catalog 7 29 5055 Assembly 13 Cassette 7 30 Service Manual Assembly 13 Cassette 5055 xxx Index P N Units Description 13 1 56P9500
4. adjustment NS 56P9544 1 Label MPT NS 56P9554 3 Core ferrite NS 56P9905 1 Kit operator panel overlay NS 56P9945 1 Parts packet Parts catalog 7 3 5055 Assembly 2 Covers 2 GAS HE e See 9220 69 7 4 Service Manual Assembly 2 Covers 2 5055 xxx Index P N Units Description 2 1 56P9557 1 Exit assembly face up Parts catalog 7 5 5055 Assembly 3 Covers 3 7 6 Service Manual 5055 Assembly 3 Covers 3 Index P N Units Description 3 1 56P9566 1 Guide assembly face down 2 56P9575 4 Bushing face down pinch roller 3 56P9576 2 Pulley face down feed roller 4 56P9578 1 Belt face down roller Parts catalog 7 7 5055 Assembly 4 Covers 4 7 8 Service Manual Assembly 4 Covers 4 5055 xxx Index P N Units Description 4 1 56P9584 1 Guide assembly turn Parts catalog 7 9 5055 Assembly 5 Covers 5 7 10 Service Manual 5055 Assembly 5 Covers 5 Index P N Units Description 5 1 56P9972 1 Feeder assembly multipurpose Parts catalog 7 11 5055 Assembly 6 Upper unit On kN 7 12 Service Manual 5055 Assembly 6 Upper unit Index P N Units
5. 1 56P9472 2 Screw lock 2 56P9473 1 Stud lock 3 56P9474 4 Roller 4 56P9475 2 Knob caster 5 56P9476 2 Stop caster 6 56P9477 2 Housing caster 7 56P9478 4 Caster 8 56P9479 2 Cap Parts catalog 7 71 5055 Assembly 32 Miscellaneous options Index P N Units Description NS 12G6509 1 Card SDRAM DIMM NS 56P9910 1 Card assembly 128MB SDRAM memory NS 56P9911 1 Card assembly 256MB SDRAM memory NS 56P9912 1 Card assembly 4MB Flash DIMM memory NS 56P9913 1 Card assembly 8MB Flash DIMM memory NS 56P9914 1 Card assembly 16MB Flash DIMM memory NS 56P9982 1 Hard Disk 5 GB w Mounting Kit formatted NS 56P9934 1 Card Token Ring NS 12G1695 1 Card Ethernet 10 100Base TX NS 12G1696 1 Card Ethernet 10BaseT 2 NS 56P0161 1 Card RS 232C serial parallel 1284 A C interface NS 99A0560 1 Card Tri Port adapter NS 99A0424 1 Card infrared adapter NS 99A0545 1 Card external serial adapter NS 56P0159 1 Card Coax Twinax adapter for SCS NS 56P0162 1 Adapter parallel 1284 C B NS 13A0296 1 Cable Twinax NS 13A0297 1 Cable Coax NS 56P0598 1 Card CGM NS 56P1204 1 IPDS SCS TNe C910 NS 56P1762 1 IPDS SCS TNe C912 NS 56P9923 1 Card ImageQuick C910 NS 56P9442 1 Card ImageQuick C912 NS 56P1121 1 Card bar code C910 NS 56P9440 1 Card bar code C912 NS 56P9441 1 Card PrintCryption C912 NS 56P9925 1 Card PRESCRIBE NS 56P9926 1 Software Optra Forms NS 56
6. 1 Shaft A 19 56P9352 1 Panel lower left 20 56P9382 1 Sensor 21 56P9307 1 Assembly hook rear 22 56P9463 2 Pulley wire B 23 56P9465 1 Assembly sensor Parts catalog 7 65 5055 Assembly 29 Finisher electronics 7 66 Service Manual 5055 Assembly 29 Finisher electronics Index Units Description 29 1 56P9306 1 Assembly upper limit sensor 2 56P9303 1 Supply power 3 56P9351 1 Assembly power supply plate 4 56P9435 1 Cable set switch 5 56P9358 1 Cord Y power 5 56P9368 1 Cord Y power 230 V only 6 56P9342 1 Assembly bridge 7 56P9326 1 Cable DC power supply 8 56P9349 1 Board finisher control 9 56P9428 1 Cable 10 56P9410 1 Cable 11 56P9325 1 Cable front side panel 12 56P9343 1 Assembly sensor cable 13 56P9340 1 Packet parts 14 56P9420 1 Bracket finisher control board 15 56P9409 1 Cable 16 56P9324 1 Cable sensor relay NS 56P9357 1 Cable interface Parts catalog 7 67 5055 Assembly 30 Finisher docking 1 7 68 Service Manual Assembly 30 Finisher docking 1 5055 xxx Index P N Units Description 30 1 56P9467 2 Screw thumb 2 56P9468 1 Spring 3 56P9469 1 Bracket 4 56P9470 1 Switch set Parts catalog 7 69 5055 Assembly 31 Finisher docking 2 7 70 Service Manual 5055 Assembly 31 Finisher docking 2 Index Units Description 31
7. 30 56P9318 1 Spring B Parts catalog 7 59 5055 Assembly 26 continued Finisher feed 1 7 60 Service Manual 5055 Assembly 26 continued Finisher feed 1 Index P N Units Description 26 31 56P9316 1 Bushing 32 56P9415 1 Pulley gear 236 24 33 56P9317 1 Belt 34 56P9417 1 Flange Parts catalog 7 61 5055 Assembly 27 Finisher feed 2 223 7 62 Service Manual 5055 Assembly 27 Finisher feed 2 Index P N Units Description 27 1 56P9300 1 Assembly jogging unit 2 56P9422 1 Pin N 3 56P9423 1 Pulley 219 220 4 56P9417 1 Flange 5 56P9333 1 Belt timing 60S3M408 6 56P9329 1 Assembly tractor motor 7 56P9437 2 Belt timing 8 56P9301 1 Assembly guide stack Parts catalog 7 63 5055 Assembly 28 Finisher elevator 5 Sf ER G 7 64 Service Manual 5055 Assembly 28 Finisher elevator Index P N Units Description 28 1 56P9308 1 Assembly elevator motor 2 56P9448 1 Washer 3 56P9449 1 Pin 4 56P9450 2 Pulley wire 5 56P9451 1 Shutter 6 56P9452 1 Pin O 7 56P9453 4 Roller C 8 56P9304 1 Assembly hook front 9 56P9332 2 Spring C 10 56P9331 2 Wire 11 56P9455 2 Bracket 12 56P9456 1 Gear 246 233 13 56P9457 1 Gear 290 214 14 56P9458 1 Gear 0 15 56P9459 2 Drum wire 16 56P9460 1 Gear Z30 17 56P9311 2 Bushing 18 56P9482
8. 8 56P9674 1 Guide assembly fuser entrance 9 56P9676 1 Sensor density 10 56P9684 2 Frame assembly F1 sub 11 56P9685 2 Frame assembly F2 sub 12 56P9686 1 Rod lock 13 56P9687 1 Cover gear 14 56P9693 1 Stopper clutch 15 56P9502 1 Sensor turn guide door 16 56P9695 1 Cable turn guide door sensor NS 56P9697 1 Bushing NS 56P9692 1 Cable assembly reg MPF sensor NS 56P9950 1 Parts packet Parts catalog 7 21 5055 Assembly 10 Electrical 2 23 2 Ro 7 22 Service Manual 5055 Assembly 10 Electrical Index P N Units Description 10 1 56P9705 1 Cable assembly feeder 2 56P9704 1 Cable assembly paper remaining sensor 3 56P9700 1 Solenoid assembly paper feed temperature humidity sensor and paper remaining sensor included 4 11G0243 1 Interrupter photo 5 56P9702 1 Cable belt up down sensor 6 56P9701 1 Board sensor 7 56P9703 1 Cable assembly sensor board 8 56P9707 1 Switch power 9 56P9706 1 Cable power switch 10 56P9709 1 Board 120 V motor driver 10 56P9710 1 Board 230 V motor driver 11 56P9739 1 Cable asm conditioning printer controller 12 56P9742 1 Board heater drive 13 56P9741 4 Resistor conditioning 230 V only 14 56P9738 3 Cable assembly conditioning joint 230 V only 15 56P9943 Fuse thermal 230 V only 16 56P9698 Motor assembly 120 V 16 56P9699 Motor assembly 230 V 17 56P9740 Cable conditioning resistor 18 56P9713 Fan power supply 19 5
9. Cable assembly power supply 15 56P9870 1 Converter DC DC 16 56P9869 1 Power supply HCF 17 56P9867 1 Cable assembly drawer ground 18 56P9861 4 Roller track 19 56P9864 1 Switch micro 20 56P9530 1 Switch push 21 56P9501 1 Spring pressure pickup 22 56P9863 1 Switch HCF push NS 56P9961 1 Parts packet Parts catalog 7 49 5055 Assembly 22 High capacity feeder 5 NN 8 Fi Q 6 e PT V 6 7 50 Service Manual 5055 Assembly 22 High capacity feeder 5 Index P N Units Description 22 1 56P9883 2 Spring pressure 2 56P9528 4 Interrupter photo 3 56P9888 1 Bracket rear idler 4 56P9884 2 Belt timing 5 56P9886 1 Gear drive 6 56P9885 2 Pulley timing 7 56P9882 1 Motor HCF DC 8 56P9887 1 Bracket front idler NS 56P9962 1 Parts packet Parts catalog 7 51 5055 Assembly 23 High capacity feeder 6 7 52 Service Manual 5055 Assembly 23 High capacity feeder 6 Index P N Units Description 23 1 56P9892 1 Plate upper side fence 2 56P9893 2 Knob stopper 3 56P9891 2 Knob tray 4 56P9890 2 Plate paper adhesion 5 56P9915 1 Fence assembly front side 6 56P9894 1 Fence assembly rear side 7 56P9528 2 Int
10. Zn 3R 50 Bind P tight screws 3x8 Zn 3K 50 Bind P tight screws 3x10 Zn 3K 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x8 Zn 3K 50 Bind screws M3x6 Ni 3 50 Screws with washers M3x30 Zn 3K 50 E rings ES 6 ACP 7 74 Service Manual 5055 Assembly 32 Parts packets continued Index P N Units Description NS NS NS 56P9948 56P9949 56P9950 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind P tight screws 3x6 Zn 3K 50 Bind P tight screws 3 8 Zn 3K 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x6 Zn 3K 50 Bind screws M3x8 Zn 3K 50 Pans with flange P tight screws 3x8 Zn 3K 50 E rings ES 5 ACP 50 E rings ES 6 ACP 50 Spring pins 2x10 ACP Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind S tight screws 3x8 Zn 3R 50 E rings ES 4 ACP Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind P tight screws 3x6 Zn 3K 50 Bind P tight screws 3x8 Zn 3K 50 E rings ES 3 ACP 50 E rings ES 5 ACP 50 E rings ES 6 ACP 50 Spring pins 2x10 ACP 50 Bind screws M3x8 Zn 3K 50 Bind screws M2x8 Ni 3 Parts catalog 7 75 5055 Assembly 32 Parts packets continued Index Units Description NS 56P9951 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bin
11. re feed 23 56P9820 1 Pulley re feed roller 24 56P9809 1 Roller drive feed 25 56P9824 3 Plate paper carrying drawer 26 56P9811 3 Roller middle feed 27 56P9812 1 Roller re feed NS 56P9957 1 Parts packet Parts catalog 7 41 5055 Assembly 18 High capacity feeder 1 7 42 Service Manual 5055 Assembly 18 High capacity feeder 1 Index P N Units Description 18 1 56P9838 1 Catch door 2 56P9835 1 Magnet latch 3 56P9837 1 Cover upper 4 56P9834 1 Cover upper rear 5 56P9843 1 Cover lower rear 6 56P9839 1 Cover right 7 56P9833 1 Cover front 8 56P9836 1 Fence end 9 56P9940 1 Ring snap 10 56P9841 1 Cover assembly upper 11 56P9840 1 Lever vertical transport 12 56P9842 1 Spring tension NS 56P9958 1 Parts packet Parts catalog 7 43 5055 Assembly 19 High capacity feeder 2 5 p Qe gt 0 Ne 7 9 AN S 22 N Ka v N Y N 7 44 Service Manual 5055 Assembly 19 High capacity feeder 2 Index P N Units Description 19 1 56P9846 1 Solenoid assembly paper pickup 2 56P9848 1 Clutch paper feed 3 56P9844 1 Motor assembly transport 4 56P9941 1 Arm pick up 5 56P9501 1 Spring pressure 6 56P9528 1 Interrupter photo 7 56P9849 1 Roller manual feed pickup 8 56P9850 1 Roller manual feed 9 56P9852 1 Limiter torque 10 56P9851 1 Roller manual fe
12. 1 Cassette paper feed NS 56P9902 1 Cassette heavy media 2 56P9979 1 Guide stop 3 56P9980 1 Guard rack Parts catalog 7 31 5055 Assembly 14 Expansion feeder 1 7 32 Service Manual Assembly 14 Expansion feeder 1 5055 xxx Index P N Units Description 14 1 11G0199 4 Guide wire 2 56P9773 1 Gear feeder E 3 56P9771 1 Gear feeder C 4 11G0422 2 Gear feeder B 5 56P9772 1 Gear feeder D 6 11G0423 1 Gear feeder A 7 56P9770 1 Cover right side C 8 56P9769 1 Cover right side B 9 56P9767 1 Cover right side A 10 56P9765 1 Cover front feeder 11 56P9504 1 Rail left side 12 56P9524 2 Screw slide rail 13 56P9503 6 Foot rubber 14 56P9505 1 Rail right side 15 11G0399 5 Plate ground 16 56P9766 1 Cover left side 17 56P9522 1 Board size sensor 18 56P9521 1 Lever size sensor 19 56P9779 1 Board expansion feeder control 20 56P9768 1 Cover rear 21 56P9776 1 Board paper remaining sensor 22 56P9778 1 Cable assembly lower optional drawer 23 56P9777 1 Cable assembly upper optional drawer 24 56P9774 1 Motor feeder drive NS 56P9775 1 Cable assembly size sensor NS 56P9955 1 Parts packet Parts catalog 7 33 5055 Assembly 15 Expansion feeder 2 7 34 Service Manual 5055 Assembly 15 Expansion feeder 2 Index P N Units Description 15 1 56P9796 Roller assembly carrying 2 56P9514 Roller noise reduction 3 56P9513 Bushing carrying
13. 20 56P9302 1 Assembly center guide 21 56P9384 2 Plate B spring 22 56P9386 1 Spring 23 56P9387 1 Handle jam 24 56P9389 1 Bracket 25 56P9345 1 Cover staple inner B 26 56P9344 1 Cover staple inner 27 56P9327 1 Cable upper side panel 28 56P9390 1 Plate cover 29 56P9436 1 Cable 30 56P9313 1 Unit 3 hole punch U S only 30 56P9314 1 Unit 4 hole punch non U S 31 56P9388 1 Sensor 1 photo 32 56P9319 1 Assembly exit guide straight 33 56P9394 1 Handle Parts catalog 7 57 5055 Assembly 26 Finisher feed 1 7 58 Service Manual 5055 Assembly 26 Finisher feed 1 Index P N Units Description 26 1 56P9395 1 Assembly guide plate 2 56P9393 2 Plate guide holder 3 56P9334 1 Assembly solenoid 4 56P9396 1 Spring H 5 56P9397 2 Gear Z20 6 56P9398 1 Gear Z19 7 56P9311 9 Bushing 8 56P9310 1 Gate 9 56P9400 1 Roller 10 56P9361 1 Roller patting 11 56P9401 1 Roller I 12 56P9402 2 Bushing 13 56P9403 1 Spring A 14 56P9404 1 Spring F 15 56P9312 1 Roller F 16 56P9405 1 Roller G 17 56P9335 1 Clutch registration 18 56P9338 1 Pulley T56 19 56P9406 1 Pulley 224 42 gear 20 56P9407 1 Belt timing 60S2M184 21 56P9408 1 Knob 22 56P9339 1 Belt timing 60S2M334 23 56P9305 1 Assembly tension D 24 56P9411 1 Pulley 25 56P9412 1 Spacer 26 56P9413 1 Assembly motor bracket 27 56P9341 1 Assembly feed motor 28 56P9414 1 Pulley 29 56P9315 1 Assembly punch drive
14. 6 1 Lamp C erase 33 56P9597 1 Lamp Y erase 34 56P9598 1 Lamp K erase 35A 56P9985 1 Printhead LED K black S N 1 35B 56P9986 3 Printhead LED Y M C color S N XX 1XXXX 35C 56P9599 4 Printhead LED S NXX 0XXXX 36 56P9610 4 Rail right side 37 56P9593 4 Holder rear printhead 38 56P9619 1 Bracket rear upper 39 56P9622 1 Fan upper right 40 56P9623 1 Fan upper left 41 56P9621 1 Bracket fan holder NS 56P9629 1 Frame link NS 56P9639 4 Connector upper NS 56P9604 8 Core ferrite NS 56P9605 8 Cable assembly HDFG NS 56P9606 4 Cable assembly RSPFG NS 56P9607 2 Cable assembly LFG NS 56P9993 4 Shield light used on P N 56P9594 for S N XX 1XXXX NS 56P9947 1 Parts packet NS 56P9988 1 Post mini S N XX 1XXXX NS 56P9989 1 Core Ferrite S N XX 1XXXX NS 56P9990 1 Tape Core S N XX 1XXXX Parts catalog 7 15 5055 Assembly 7 Base 1 7 16 Service Manual Assembly 7 Base 1 5055 Index P N Units Description 7 1 56P9664 1 Frame paper feed 2 56P9508 1 Bracket ground 3 56P9512 1 Roller assembly paper carrying 4 56P9511 4 Roller assembly paper feed 5 11G0243 1 Interrupter photo 6 56P9665 1 Sensor paper feed 7 56P9507 1 Actuator paper feed sensor 8 56P9520 1 Handle waste bottle cam 9 56P9517 1 Spring right cassette guide 10 56P9519 1 Guide lower right cassette 11 56P9516 1 Spring left cassette guide 12 56P9518 1 Guide lower left cassette 13 56P9515 1 Guide upper
15. 6P9708 Cable assembly duplex connector 20 56P9722 20 56P9723 21 56P9737 Power supply 120 V 1 Power supply 230 V 1 Insulator sheet c l2 0 2 0 2 0 42 0 4 22 56P9711 Cable THB drawer 22 56P9712 Cable THB drawer EMEA 23 56P9981 Board printer controller C910 C912 S N 23 56P9992 1 Board printer controller 912 S N XX 1XXXX 24 56P9729 1 printer controller 25 56P9732 1 Belt power supply Parts catalog 7 23 5055 Assembly 10 continued Electrical 7 24 Service Manual 5055 Assembly 10 continued Electrical Index P N Units Description 10 26 56P9734 27 56P9731 28 56P9730 29 56P9714 30 56P9727 31 56P9726 32 56P9724 32 56P9725 33 56P9715 NS 11D0328 NS 11D0329 NS 11D0330 NS 11D0331 NS 11D0332 NS 11D0333 NS 11D0334 HCF finisher D sub assembly Cable assembly finisher Cable assembly HCF Board high voltage power supply Cable assembly printer controller power 2 Cable assembly printer controller power 1 Power supply 120 V 2 Power supply 230 V 2 Cable high voltage power supply board Power cord USA Canada APG LAD Power cord Peru Power cord Argentina Power cord Brazil Power cord Chile Power cord Denmark Power cord Belgium Europe England France Germany Spain Power cord ltaly 2 c c2 2 cl Cs 0 42
16. P9927 1 Software Optra Forms Director NS 56P9928 1 DIMM Lexmark Forms 4MB Flash NS 56P9929 1 DIMM Lexmark Forms 8MB Flash NS 56P9930 1 DIMM Lexmark Forms 16MB Flash 7 72 Service Manual 5055 Assembly 32 Miscellaneous options Index P N Units Description NS 56P9932 1 Hard Disk Lexmark Forms NS 56P9942 1 Mounting Kit hard drive NS 56P9936 1 Simplified Chinese font kit NS 56P9935 1 Traditional Chinese font kit NS 56P9975 1 Japanese font kit NS 7370516 1 Kit printer relocation NS 7370567 1 Kit duplex relocation NS 7370569 1 Kit 500 sheet tray relocation Parts catalog 7 73 5055 Assembly 32 Parts packets Index Units Description NS 56P9945 1 Parts packet containing 50 Bind S tight screws 3x6 Zn 3R 50 Bind S tight screws 3x15 Zn 3K 50 Bind P tight screws 3x8 Zn 3K 50 Bind P tight screws 3x10 Zn 3K 50 Bind P tight screws 3x6 Zn 3K 50 Bind P tight screws 3x8 Ni 3 50 Bind screws M3x6 Ni 3 NS 56P9946 1 Parts packet containing 50 Bind S tight screws 3x6 Zn 3R 50 Bind P tight screws 2x10 Zn 3K 50 Bind P tight screws 3x4 Zn 3K 50 Bind P tight screws 3x6 Zn 3K 50 Bind P tight screws 3x8 Zn 3K 50 Bind P tight screws 3x8 Ni 3 50 Bind screws M3x4 Zn 3K 50 E rings ES 5 ACP 50 Spring pins 3x12 ACP 50 Parallel pins 2 5x18 NS 56P9947 1 Parts packet including 50 Bind S tight screws 3x6
17. Service Manual 20000 91 5055 Table of Contents Start Diagnostics Safety and Notices e Trademarks e Index LEXMARK 5055 7 Parts catalog How to use this parts catalog SIMILAR ASSEMBLIES If two assemblies contain a majority of identical parts they are shown on the same list Common parts are shown by one index number Parts peculiar to one or the other of the assemblies are listed separately and identified by description NS Not Shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration Parts catalog 7 1 5055 Assembly 1 Covers 1 7 2 Service Manual Assembly 1 Covers 1 5055 xxx Index P N Units Description 1 1 12G7360 1 Board operator panel 1 99A1501 1 Board operator panel Japan 2 56P9736 1 Cable operator panel 3 56P9555 1 Housing upper operator panel 4 56P9556 1 Housing lower operator panel 5 56P9539 1 Cover top 6 56P9533 1 Cover assembly right side T 56P9534 1 Magnet right side latch 8 56P9540 1 Cover waste toner bottle 9 56P9545 1 Label operator guide 10 56P9532 1 Cover assembly front C910 10 56P9970 1 Cover assembly front C912 11 56P9543 1 Magnet front cover latch 12 56P9542 1 Cover left front 13 56P9536 1 Cover left side 14 56P9537 1 Cover paper feed 15 56P9535 1 Cover solenoid 16 56P9531 1 Tray assembly exit 17 56P9538 1 Cover rear 18 56P9551 1 Cover
18. cassette 14 56P9503 4 Foot rubber 15 56P9641 1 Actuator front cover open switch 16 56P9505 1 Rail base left side 17 56P9524 2 Screw slide rail 18 56P9504 1 Rail base right side 19 56P9521 1 Lever size sensor 20 56P9522 1 Board size sensor 21 56P9523 1 Cable assembly size sensor 22 56P9642 1 Unit drive 23 56P9643 1 Clutch drive unit 24 56P9644 1 Cable assembly drive unit sensor 25 56P9645 1 Sensor drive unit gear 26 56P9663 1 Clutch belt up down 27 56P9646 1 Frame sub 28 56P9662 1 Shaft changing NS 56P9948 1 Parts packet Parts catalog 7 17 5055 Assembly 8 Base 2 7 18 Service Manual 5055 Assembly 8 Base 2 Index P N Units Description 8 1 56P9666 1 Support assembly upper unit 2 56P9667 4 Pin upper unit support 3 56P9668 1 Handle assembly lock 4 56P9669 1 Handle lock 5 56P9673 1 Cover electronic 6 56P9670 1 Shroud cable 7 56P9672 1 Guide cable 8 56P9671 1 Guide cable NS 56P9949 1 Parts packet Parts catalog 7 19 5055 Assembly 9 Base 3 7 20 Service Manual Assembly 9 Base 3 5055 xxx Index P N Units Description 9 1 56P9971 1 Frame assembly MPF 2 11G0283 1 Pad fanning 3 56P9681 1 Clutch registration 4 56P9680 1 Frame assembly registration 5 56P9682 1 Frame assembly carrying 6 56P9696 1 Cable assembly belt thermistor 7 56P9694 1 Unit transfer belt
19. d S tight screws 3x8 Zn 3R 50 Bind S tight screws 3x12 Zn 3R 50 Bind P tight screws 3x8 Zn 3K 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x6 Zn 3K 50 Bind screws M3x12 Zn 3K 50 Pans with flange P tight screws 3x10 Zn 3K 50 Screws with washers M3x30 Zn 3K 50 Screws with washers 4 8 Zn 3K 50 Screws with washers M4x12 Zn 3K 50 Screws with washers M3x6 Ni 3 BS 50 Screws with washers M4x8 Ni 3 BS 50 Screws with spring washers M3x8 Ni 3 BS 50 Screws with spring washers M4x8 Ni 3 BS 50 Natt with flange sereit M3 Ni 3 50 E rings ES 2 5 ACP 50 Spring pins 3x10 ACP NS 56P9952 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind screws M3x6 Zn 3K 50 Bind screws M3x10 Zn 3K 50 Bind screws M3x6 Ni 3 7 76 Service Manual 5055 Assembly 32 Parts packets continued Index P N Units Description NS NS NS 56P9953 56P9954 56P9955 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind P tight screws 3x6 Ni 3 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x5 Zn 3K 50 Screws with washers M3x10 Zn 3R 50 Screws with washers M3x8 Zn 3K 50 Screws with washers M3x6 Ni 3 BS 50 E rings ES 4 ACP 50 E rings ES 5 ACP 50 C rings C 21 ACP Parts packet including 50 Bind P tight
20. ed separate 11 56P9847 2 Spring compression 12 56P9845 1 Sensor assembly paper feed NS 56P9959 1 Parts packet Parts catalog 7 45 5055 Assembly 20 High capacity feeder 3 ae N 7 0 ON N N N NN N 7 46 Service Manual 5055 Assembly 20 High capacity feeder 3 Index P N Units Description 20 1 56P9854 1 Sensor assembly photo 2 56P9855 1 Interrupter photo 3 56P9529 4 Caster HCF 4 56P9856 1 Spring tension 5 56P9857 1 Switch micro 6 56P9530 1 Switch push 7 56P9859 1 Connector inlet 8 56P9858 1 Connector I F 9 56P9853 3 Screw shoulder NS 56P9960 1 Parts packet Parts catalog 7 47 5055 Assembly 21 High capacity feeder 4 7 48 Service Manual Assembly 21 High capacity feeder 4 5055 xxx Index P N Units Description 21 1 56P9541 1 Sensor resistor 2 56P9875 1 Cable assembly safety switch 3 56P9865 1 Cable assembly HCF motor 4 56P9871 1 Cable assembly I F 5 56P9866 1 Cable assembly paper feed sensor 6 56P9880 1 Cable up down switch 7 56P9879 1 Cable paper volume 8 56P9878 1 Cable assembly sensor 9 56P9877 1 Cable assembly paper size sensor 10 56P9876 1 Cable assembly lift motor 11 56P9868 1 Board high capacity feed 12 56P9873 1 Cable assembly power supply out 13 56P9872 1 Cable assembly power supply in 14 56P9874 1
21. errupter photo 8 56P9889 1 Pad friction NS 56P9963 1 Parts packet Parts catalog 7 53 5055 Assembly 24 Finisher covers 7 54 Service Manual 5055 Assembly 24 Finisher covers Index Units Description 24 1 56P9353 1 Cover top 2 56P9348 5 Screw 3 56P9355 1 Cover front 4 56P9359 1 Tray upper 5 56P9360 1 Tray lower 6 56P9347 1 Panel left upper 7 56P9352 1 Assembly lower left panel 8 56P9356 1 Cover rear 9 56P9350 1 Assembly staple cover 10 56P9366 1 Lever B 11 56P9365 1 Cover staple A 12 56P9367 1 Cartridge staple 13 56P9363 1 Stapler 14 56P9364 1 Cover staple B 15 56P9354 1 Assembly dust box Parts catalog 7 55 5055 Assembly 25 Finisher frame 7 56 Service Manual 5055 Assembly 25 Finisher frame Index P N Units Description 25 1 56P9321 2 Spring 2 56P9324 1 Cable sensor relay 3 56P9369 12 Assembly spring plate C 4 56P9370 1 Frame guide 5 56P9371 1 Spring 6 56P9372 1 Brush static discharge 7 56P9373 2 Screw M4 8 56P9374 2 Frame C guide 9 56P9375 1 Shaft D 10 56P9376 1 Bushing 11 56P9377 1 Roller D 12 56P9378 1 Plate E spring 13 56P9380 2 Sensor photo 14 56P9381 1 Frame B guide 15 56P9418 1 Guide stack 16 56P9399 2 Sensor photo 17 56P9382 1 Sensor photo 18 56P9383 1 Cushion 19 56P9309 1 Assembly exit guide inverter
22. mbly 16 Duplex unit 1 7 38 Service Manual Assembly 16 Duplex unit 1 5055 xxx Index P N Units Description 16 1 56P9798 1 Duplex assembly 2 56P9804 1 Board duplex interface 3 56P9799 1 Frame duplex 4 56P9800 2 Screw duplex mounting 5 56P9803 1 Motor duplex stepping 6 56P9525 1 Interrupter photo 7 56P9806 1 Cable assembly paper detection 8 56P9994 1 Plate duplex guide NS 56P9807 1 Cable assembly duplex interface NS 56P9805 1 Cable assembly duplex connection Parts catalog 7 39 5055 Assembly 17 Duplex unit 2 7 40 Service Manual 5055 Assembly 17 Duplex unit 2 Index P N Units Description 17 1 56P9825 1 Plate paper re feed drawer 2 56P9827 1 Guide rear side 3 56P9826 1 Guide front side 4 56P9830 1 Solenoid assembly paper re feed 5 56P9814 8 Bearing release 6 56P9816 2 Spring re feed roller 7 56P9813 4 Roll release 8 56P9525 1 Interrupter assembly photo 9 56P9828 1 Motor assembly paper guide 10 56P9808 1 Interrupter photo 11 56P9526 2 Spring feed roller 12 56P9815 6 Spring reed roller 13 56P9829 3 Solenoid assembly feed roller 14 56P9831 1 Cable assembly duplex drawer 15 56P9810 1 Roller follow up feed 16 56P9527 2 Gear idler 17 56P9817 1 Gear carrying roller 18 56P9818 2 Pulley carrying roller timing 19 56P9819 1 Pulley feed roller 20 56P9822 3 Belt timing 21 56P9823 1 Belt timing 22 56P9821 1 Knob paper
23. screws 3x6 Zn 3K 50 Bind P tight screws 3x8 Zn 3K 50 Bind screws 4 8 Zn 3K 50 Pans with flange P tight screws 3x10 Zn 3K 50 E rings ES 5 ACP Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind screws M3x6 Zn 3K 50 Bind screws M3x8 Ni 3 50 E rings ES 5 ACP Parts catalog 7 77 5055 Assembly 32 Parts packets continued Index Units Description NS 56P9956 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind S tight screws 3x8 Zn 3R 50 Bind P tight screws 3x6 Zn 3K 50 Bind P tight screws 3x8 Zn 3K 50 Bind screws M3x4 Zn 3K 50 Bind screws M3x6 Zn 3K 50 E rings ES 5 ACP 50 E rings ES 6 ACP 50 Spring pins 2x10 ACP 50 Spring pins 3x10 ACP NS 56P9957 j Parts packet including 50 E rings ES 3 ACP 50 E rings ES 4 ACP 50 E rings ES 6 ACP 50 R screws M3x6 50 R screws M3x8 50 R screws M4x6 50 Pans S tight screws M3x6 50 RP tight screws M3x8 NS 56P9958 1 Parts packet including 50 Bind S tight screws 3x6 Zn 3R 50 Bind P tight screws 4x8 Zn 3R 50 Pan screws M4x6 Zn 3R 50 Pan screws M4x12 Zn 3R 50 E rings ES 6 ACP 50 RP tight screws 4 12 50 RS tight screws M4x6 50 RS tight screws 4 8 50 RS tight screws M4x12 7 78 Service Manual 5055 Assembly 32 Parts packets contin
24. top screws M4x6 7 80 Service Manual 5055 Assembly 33 Finisher parts packet P N 56P9480 Pin Retaining Ring 229 E Type ge Screw Spring Pin Screw Screw E Tapping Screw Spring Lock Washer 9 Tapping Screw Toothed Lock P Washer c Tapping Screw Resin Ring Tapping Screw Nut 3 Set Screw Tapping Screw Parts catalog 7 81 5055 Plain Washer Tapping Screw 9 0 Screw 7 82 Service Manual
25. ued Index P N Units Description NS NS NS NS 56P9958 56P9959 56P9960 56P9961 1 Parts packet including 50 E rings ES 3 ACP 50 E rings ES 4 ACP 50 E rings ES 6 ACP 50 RS set screw cp M3x3 Zn 3K 50 RS tight screws M4x6 50 RS tight screws 4 8 Parts packet including 50 E rings ES 3 ACP 50 E rings ES 4 ACP 50 E rings ES 6 ACP 50 RS set screw cp M3x3 Zn 3K 50 RS tight screws M4x6 50 RS tight screws M4x8 Parts packet including 50 Bind S tight screws 3x10 Zn 3R 50 E rings ES 4 ACP 50 RS tight screws M3x24 50 RS tight screws 4 6 50 RS tight screws 4 8 50 RS tight round top screws M3x6 Parts packet including 50 E rings ES 4 ACP 50 RS tight screws M3x8 50 RS tight screws M3x24 50 RS tight screws M4x6 50 RS tight screws M4x8 Parts catalog 7 79 5055 Assembly 32 Parts packets continued Index P N Units Description NS NS 56P9962 56P9963 1 Parts packet including 50 Screws with spring washers M4x30 Zm 3R 50 E rings ES 5 ACP 50 Plain washers M4 Zn 3R 50 RS tight screws M4x6 Parts packet including 50 Bind S tight screws 3x8 Zn 3R 50 Bind S tight screws 4x6 Zn 3R 50 Pan screws M4x20 Zn 3R 50 E rings ES 6 ACP 50 RS tight screws M4x6 50 RS tight round
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