Automatically Display Error Screens............................................................................................................... 248
USB PnP .......................................................................................................................................................... 248
Entering invalid engine mode................................................................................................................248
Entering recovery mode........................................................................................................................248
Accessing the Network SE menu...........................................................................................................249
Service Engineer menu..........................................................................................................................249
Accessing the service engineer (SE) menu...................................................................................................... 249
Service engineer (SE) menu ............................................................................................................................ 249
Repair information...................................................................................251
Removal precautions.............................................................................................................................251
Handling ESD‑sensitive parts .......................................................................................................................... 251
Controller board/control panel replacement ................................................................................................. 252
eSF solutions backup ...................................................................................................................................... 252
Ribbon cable connectors ................................................................................................................................ 253
Zero Insertion Force (ZIF) connectors ........................................................................................................ 253
Horizontal top contact connector .............................................................................................................. 254
Horizontal bottom contact connector........................................................................................................ 257
Vertical mount contact connector ............................................................................................................. 260
Horizontal sliding contact connector ......................................................................................................... 263
Low Insertion Force (LIF) connector........................................................................................................... 266
Adjustments..........................................................................................................................................267
Media aligner roller adjustment ..................................................................................................................... 269
Polygon printhead mechanical registration adjustment ................................................................................ 270
Removal procedures.............................................................................................................................272
Base printer - cover removals...............................................................................................................273
Left cover removal .......................................................................................................................................... 273
Rear lower cover removal............................................................................................................................... 276
Top cover removal .......................................................................................................................................... 278
Right cover removal........................................................................................................................................ 278
Rear door removal .......................................................................................................................................... 280
Base printer- front removals.................................................................................................................281
Duplex exit diverter removal .......................................................................................................................... 282
Front door removal......................................................................................................................................... 284
Inner guide deflector removal ........................................................................................................................ 285
Laser printhead removal................................................................................................................................. 286
Left inner cover removal................................................................................................................................. 291
Media aligner roller removal .......................................................................................................................... 293
Media turn guide removal .............................................................................................................................. 295
Media vertical guide removal ......................................................................................................................... 296
MPF feeder lift plate removal......................................................................................................................... 298
MPF pick roller removal.................................................................................................................................. 301
MPF tray removal ........................................................................................................................................... 303
4063
Table of contents
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