Lexmark 7462 series Service Manual page 9

Repair information................................................................................... 289
Removal precautions..................................................................................................................................... 290
Handling ESD-sensitive parts................................................................................................................................ 290
Adjustments...................................................................................................................................................... 291
Adjusting skew............................................................................................................................................................291
Flatbed scanner skew adjustment........................................................................................................................293
ADF skew adjustment (via ADF document tray)................................................................................................293
ADF skew adjustment (via duplex LED assembly)............................................................................................295
Media squareness check ........................................................................................................................................297
Print skew correction procedure...........................................................................................................................299
Copy skew correction procedure ..........................................................................................................................301
Printer skew specifications .....................................................................................................................................302
Handling ESD-sensitive parts.................................................................................................................................304
Polygon printhead mechanical registration adjustment .................................................................................304
Alignment assembly adjustment ...........................................................................................................................305
Fuser solenoid adjustment .....................................................................................................................................307
Gap adjustment..........................................................................................................................................................307
Removal procedures...................................................................................................................................... 307
Left side removals...........................................................................................................................................308
Access door removal................................................................................................................................................308
Alignment assembly removal .................................................................................................................................309
Main cooling fan removal ..........................................................................................................................................311
Main drive motor assembly removal .....................................................................................................................312
MPF pick solenoid assembly removal ..................................................................................................................313
Print cartridge clamp assembly removal ..............................................................................................................316
Print cartridge ID connector assembly removal .................................................................................................316
Left side cover removal (models X651, X652, X654, and X656) .................................................................. 317
Left side cover removal (model X658)..................................................................................................................318
Switch (media size) assembly removal ................................................................................................................320
System card assembly removal..............................................................................................................................321
Right side removals........................................................................................................................................ 323
Duplex cooling fan removal....................................................................................................................................323
Fuser drive release linkage removal....................................................................................................................324
HVPS card assembly removal................................................................................................................................324
Laser cover removal (models X651, X652, X654, and X656) .......................................................................325
Laser cover removal (model X658) ...................................................................................................................... 327
LVPS card assembly removal .................................................................................................................................328
LVPS cooling fan removal .......................................................................................................................................330
Print cartridge cooling fan removal .......................................................................................................................331
Right side cover removal (model X658)...............................................................................................................331
Right side cover removal (models X651, X652, X654, and X656)...............................................................332
Sensor (toner empty) removal................................................................................................................................ 333
Table of contents
9
7462