Lexmark C 746 Service Manual
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Parts catalog7-1 5026 Go Back Previous Next 7. Parts catalog How to use this parts catalog The following legend is used in the parts catalog: •Asm-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates Assembly 3 and item number 1 in the table. •Part number: Identifies the unique number that identifies this FRU. •Units/mach: Refers to the number of units actually used in the base machine or product. •Units/option: Refers to the number of units in a particular option. It does not include the rest of the base machine. •Units/FRU: Refers to the number of units packaged together and identified by the part number. •NS: (Not shown) in the Asm-Index column indicates that the part is procurable but is not pictured in the illustration. •Model information used in the parts catalog:Asm- indexPart numberUnits/machUnits/ FRUDescription Abbreviation usedMachine type and modelPrinter name Description 310 5026-310 Lexmark C746n Network-ready 330 5026-330 Lexmark C746dn Network-ready with duplex 330 5026-330 Lexmark C746dtn Network-ready with duplex and 550 sheet tray 510 5026-510 Lexmark C748e Network-ready with etask touch screen 530 5026-530 Lexmark C748de Network-ready with etask touch screen and duplex 530 5026-530 Lexmark C748dte Network-ready with etask touch screen, duplex, and 550 sheet tray
7-2Service Manual 5026 Go Back Previous Next Assembly 1: Covers (C746) 1 2 3 4 5 1617 17 13 14 15 6 7 8 9 10 11 12 18
Parts catalog7-3 5026 Go Back Previous Next Assembly 1: Covers (C746) Index P/NUnits/ machUnits/ FRUDescription 1—1 40X7520 1 1 Top access cover assembly, 2.3 inch 2 40X7660 1 1 2.3 inch operator panel buttons parts package Includes the following: •Button kit •Sleep button •Return button •Select button •Navigation button •Home button •LED Lens 3 40X5121 1 1 Bin full sensor with cable 4 40X7603 1 1 2.3 inch operator panel assembly with card Includes the following: •LCD Display •UICC card 5 40X7966 1 1 Top access cover parts package Includes the following: •Bin full flag •Operator panel display bracket 6 40X5106 1 1 Output bin extension cover 7 40X5103 1 1 Rear upper cover 8 40X5993 1 1 Top cover assembly 9 40X5287 1 1 Cooling fan filter 10 40X5145 1 1 Rear frame cover 11 40X5105 1 1 Rear right cover 12 40X5153 1 1 Dust cover assembly 13 40X5104 1 1 Rear left cover 14 40X5994 1 1 Right cover 15 40X7661 1 1 Front access door cover assembly 16 40X5102 1 1 Left cover 17 40X5119 1 1 Top access cover links (slider cam) Note: The left link is also available in the top access cover assembly and the right link is also available in the EP drive assembly 18 40X8317 1 1 Operator panel bezel, C74x (blank logo) 18 40X6879 1 1 Operator panel bezel, C746n 18 40X7335 1 1 Operator panel bezel, C746dn and C746dtn
7-4Service Manual 5026 Go Back Previous Next Assembly 2: Covers (C748) 1 2 3 6 1918 18 17 15 16 78 9 11 12 14 13 20 4 5 10
Parts catalog7-5 5026 Go Back Previous Next Assembly 2: Covers (C748) Index P/NUnits/ machUnits/ FRUDescription 2—1 40X5988 1 1 Top access cover assembly, 4.3 inch 2 40X5990 1 1 4.3 inch operator panel buttons parts package Includes the following: •Button kit •Home button •Sleep button •LED Lens 3 40X5121 1 1 Bin full sensor with cable 4 40X5989 1 1 UICC card 5 40X7116 1 1 4.3 inch LCD display 6 40X7966 1 1 Top access cover parts package Includes the following •Bin full flag •Operator panel display bracket 7 40X5106 1 1 Output bin extension cover 8 40X5103 1 1 Rear upper cover 9 40X5993 1 1 Top cover assembly 10 40X7703 1 1 Speaker 11 40X5287 1 1 Cooling fan filter 12 40X5145 1 1 Rear frame cover 13 40X5153 1 1 Dust cover assembly 14 40X5105 1 1 Rear right cover 15 40X5994 1 1 Right cover 16 40X7661 1 1 Front access door cover assembly 17 40X5104 1 1 Rear left cover 18 40X5119 1 1 Top access cover links (slider cam) Note: The left link is also available in the top access cover assembly and the right link is also available in the EP drive assembly 19 40X5102 1 1 Left cover 20 40X8317 1 1 Operator panel bezel, C74x (blank logo) 20 40X6877 1 1 Operator panel bezel, C748de 20 40X8259 1 1 Operator panel bezel, C748e
7-6Service Manual 5026 Go Back Previous Next Assembly 3: Front 1 23 4 7 12 11 13 14 10 A B D E C G F F 5 6 8 9
Parts catalog7-7 5026 Go Back Previous Next Assembly 3: Front Index P/NUnits/ machUnits/ FRUDescription 3—1 40X8110 1 1 Fuser assembly, 115 V 1 40X8111 1 1 Fuser assembly, 230 V 1 40X8112 1 1 Fuser assembly, 100 V 2 Printer pad, included in screws parts packet (P/N 40X5136) 3 40X1446 1 1 Right bellcrank assembly, with spring 4 40X5132 1 1 MP feeder/duplex drive parts packet Includes the following •Retainer release arm •Grease packet (Nyogel 744) •Washer •Duplex engagement gear •MP feeder reduction gear •MP feeder/duplex reduction gear •MP feeder drive cover 5 40X6319 1 1 Cranklift spring and metal clip 6 40X8308 1 1 Paper pick assembly 7 40X5152 2 2 Pick arm roll 8 40X5999 1 1 Paper tray assembly, 550-sheet 9 40X6496 1 1 MPF pick arm assembly 10 40X5111 1 1 Front door parts packet Includes the following: •A—Front access door cap (1) •B—Right cable assembly (1) •C—Front access cover pivot (1) •D—Left cable assembly (1) •E—Front access door straps (2) •F—Front access door bracket (1) •G—Screw 11 40X5113 1 1 Duplex reference edge assembly 12 40X5995 1 1 Front door assembly 13 40X8307 1 1 Transfer module 14 40X1447 1 1 Left bellcrank assembly, with spring
7-8Service Manual 5026 Go Back Previous Next Assembly 4: Right 1 2 3 4 5 6 7
Parts catalog7-9 5026 Go Back Previous Next Assembly 4: Right Index P/NUnits/ machUnits/ FRUDescription 4—1 40X5290 1 1 EP drive assembly 2 40X5991 1 1 Low-voltage power supply 3 40X5126 1 1 Motor driver card 4 40X8309 1 1 MP feeder/duplex motor 5 40X5128 1 1 24 V interlock switch 6 40X5127 1 1 5 V interlock switch 7 40X5998 1 1 MPF paper present sensor with cable
7-10Service Manual 5026 Go Back Previous Next Assembly 5: Rear