Lexmark C748de Service Manual Download Page 1

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Lexmark

™

C746n, C746dn, C746dtn,

C748e, C748de, C748dte

5026-3xx, 5xx

• Table of contents

• Start diagnostics

• Safety and notices

• Trademarks

• Index

Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and or other countries.

Revised: April 19, 2012

www

MK-Electronic

Summary of Contents for C748de

Page 1: ...able of contents Start diagnostics Safety and notices Trademarks Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Revised April 19 2012 w w w M K E l e c t r o n i c d e ...

Page 2: ...nits 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 index Part number Units mach Units FRU Description Abbreviation used Machine type and model Printer name Description 310 5026 310 Lexmark C746n Network ready 330 5026 330 Lexmark C...

Page 3: ...7 2 Service Manual 5026 Go Back Previous Next Assembly 1 Covers C746 1 2 3 4 5 16 17 17 13 14 15 6 7 8 9 10 11 12 18 w w w M K E l e c t r o n i c d e ...

Page 4: ...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 ...

Page 5: ...7 4 Service Manual 5026 Go Back Previous Next Assembly 2 Covers C748 1 2 3 6 19 18 18 17 15 16 7 8 9 11 12 14 13 20 4 5 10 w w w M K E l e c t r o n i c d e ...

Page 6: ... 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...

Page 7: ...7 6 Service Manual 5026 Go Back Previous Next Assembly 3 Front 1 2 3 4 7 12 11 13 14 10 A B D E C G F F 5 6 8 9 w w w M K E l e c t r o n i c d e ...

Page 8: ...duction 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 L...

Page 9: ...7 8 Service Manual 5026 Go Back Previous Next Assembly 4 Right 1 2 3 4 5 6 7 w w w M K E l e c t r o n i c d e ...

Page 10: ...tion 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 w w w M K E l e c t r o n i c d e ...

Page 11: ...7 10 Service Manual 5026 Go Back Previous Next Assembly 5 Rear w w w M K E l e c t r o n i c d e ...

Page 12: ...zechoslovakia Finland France Germany Greece Hungary Ireland Italy Netherlands Norway Paraguay Poland Portugal Russia Spain Sweden Turkey United Kingdom NS 40X0271 1 1 Power cord 8 ft Hong Kong Ireland United Kingdom NS 40X4596 1 1 Power cord 8 ft Brazil NS 40X0273 1 1 Power cord 8 ft Chile Uruguay NS 40X0303 1 1 Power cord 8 ft China NS 40X1774 1 1 Power cord 8 ft Denmark Finland Norway Sweden NS ...

Page 13: ...7 12 Service Manual 5026 Go Back Previous Next Assembly 6 Left 4 places 1B 4 places 4 places 1A 1C 4 places 4 places 3 8 places 4 places 1G 1E 1F 5 1D 2 6 4 w w w M K E l e c t r o n i c d e ...

Page 14: ...n CR contact spring C Contact spring cap D Charge roll contact spring E HVPS TAR contact spring F HVPS doctor developer contact spring G HVPS Db contact spring Screw 2 40X7159 1 1 Auger shaft and gear parts pack 3 40X5307 1 1 Waste toner HV contact assembly 4 40X5129 1 1 High voltage power supply 5 40X1416 4 1 Toner level sensor 6 40X8373 1 1 Toner cartridge contacts w w w M K E l e c t r o n i c ...

Page 15: ...t Assembly 7 Top Index P N Units mach Units FRU Description 7 1 40X5122 1 1 Color On Demand assembly 2 40X5109 1 1 Cooling fan 3 40X5130 1 1 Top cover camshaft assembly 4 40X5108 1 1 Cartridge cooling fan 3 4 1 2 w w w M K E l e c t r o n i c d e ...

Page 16: ...able Fuser DC cable HVPS cable Transport cable Fuser and cartridge 1 motor cable Cartridge 2 and 3 motor cable USB A cable 550 option cable Transport motor cable Speaker cable UICC cable for single function UICC cable for multi function Operator panel ground cable for single function Operator panel ground cable for multi function NS 40X6351 1 1 Motor driver cable w w w M K E l e c t r o n i c d e ...

Page 17: ...ional 550 sheet media drawer and tray Index P N Units opt Units FRU Description 9 1 40X5140 1 1 550 sheet tray option drawer and tray assembly 2 40X5168 2 2 Pick arm roll 550 sheet tray 3 40X5141 1 1 550 sheet tray assembly 3 2 1 w w w M K E l e c t r o n i c d e ...

Page 18: ...Optional special media tray assembly Index P N Units opt Units FRU Description 10 1 40X5142 1 1 Special media assembly including tray 2 40X5152 2 2 Pick arm roll 550 sheet drawer 3 40X5143 1 1 Special media tray assembly 1 3 2 w w w M K E l e c t r o n i c d e ...

Page 19: ...7 18 Service Manual 5026 Go Back Previous Next Assembly 11 Optional high capacity input option HCIT 4 2 1 6 5 7 8 11 12 10 13 14 3 9 w w w M K E l e c t r o n i c d e ...

Page 20: ...HCIT rear cover 5 40X4585 2 1 Tray latch with spring 6 40X5159 1 1 HCIT controller card assembly 7 40X4587 1 1 Slide assembly with springs 8 40X5147 1 1 HCIT right cover 9 40X5155 1 1 Elevator motor with sensor 10 40X5158 1 1 Photointerrupter sensor with cable assembly 11 40X4593 2 1 HCIT drawer slide assembly 12 40X5146 1 1 HCIT front tray cover 13 40X5144 1 1 HCIT paper drawer tray assembly 14 4...

Page 21: ...X4827 1 1 MarkNet N8130 10 100 fiber NS 40X4823 1 1 Parallel 1284 B interface card adapter NS 40X4819 1 1 Serial interface card adapter NS 40X7058 1 1 160 GB hard drive assembly NS 7377200 1 1 Option drawer relocation kit NS 40X5281 1 1 High capacity input tray HCIT relocation kit NS 40X5316 1 1 14 pin JST cable assembly for ISP interface cable NS 40X8332 1 1 C74x relocation kit NS 40X1367 1 1 10 ...

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