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Exit Config .......................................................................................................................................................237
Entering Invalid engine mode................................................................................................................237
Entering Recovery Mode.......................................................................................................................237
Entering Safe Mode (EverReady Mode)................................................................................................238
Accessing the Network SE Menu...........................................................................................................238
Service Engineer menu..........................................................................................................................238
Accessing the Service Engineer (SE) Menu .....................................................................................................238
Service Engineer (SE) Menu ............................................................................................................................238
Fax Service Engineer (SE) Menu......................................................................................................................239
Repair information...................................................................................241
Removal precautions.............................................................................................................................241
Data security notice ........................................................................................................................................241
Handling ESD-sensitive parts ..........................................................................................................................241
Restoring the printer configuration after replacing the controller board ......................................................242
Restoring solutions, licenses, and configuration settings...............................................................................245
Updating the printer firmware ......................................................................................................................246
Backing up eSF solutions and settings ............................................................................................................247
Understanding the marked or colored screws ...............................................................................................248
Ribbon cable connectors ................................................................................................................................248
Zero Insertion Force (ZIF) connectors ........................................................................................................248
Horizontal top contact connector ..............................................................................................................249
Horizontal bottom contact connector........................................................................................................251
Vertical mount contact connector .............................................................................................................253
Horizontal sliding contact connector .........................................................................................................255
Low Insertion Force (LIF) connector...........................................................................................................257
Adjustments..........................................................................................................................................258
ADF height adjustment ...................................................................................................................................258
ADF registration adjustment...........................................................................................................................259
ADF separator roller pressure adjustment .....................................................................................................260
Flatbed registration adjustment .....................................................................................................................261
Fuser alignment adjustment...........................................................................................................................262
MPF separator roller pressure adjustment.....................................................................................................263
Pick roller pressure adjustment ......................................................................................................................265
Scanner carriage belt adjustment...................................................................................................................267
3000-sheet tray pick roller pressure adjustment ...........................................................................................268
2500-sheet tray transfer guide belt adjustment.............................................................................................270
Removal procedures.............................................................................................................................271
Left side removals.................................................................................................................................272
Left cover removal ..........................................................................................................................................272
Rear left cover removal ..................................................................................................................................273
Main power supply shield removal.................................................................................................................273
Main power supply fan removal .....................................................................................................................274
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