Automatically Display Error Screens............................................................................................................... 252
USB PnP ..........................................................................................................................................................252
Entering invalid engine mode................................................................................................................252
Entering recovery mode........................................................................................................................252
Accessing the Network SE menu...........................................................................................................253
Service Engineer menu..........................................................................................................................253
Accessing the service engineer (SE) menu......................................................................................................253
Service engineer (SE) menu ............................................................................................................................253
Repair information...................................................................................255
Removal precautions.............................................................................................................................255
Handling ESD‑sensitive parts ..........................................................................................................................255
Controller board/control panel replacement .................................................................................................256
eSF solutions backup ......................................................................................................................................256
Ribbon cable connectors ................................................................................................................................257
Zero Insertion Force (ZIF) connectors ........................................................................................................ 257
Horizontal top contact connector .............................................................................................................. 258
Horizontal bottom contact connector........................................................................................................261
Vertical mount contact connector ............................................................................................................. 264
Horizontal sliding contact connector ......................................................................................................... 267
Low Insertion Force (LIF) connector...........................................................................................................270
Adjustments..........................................................................................................................................271
Media aligner roller adjustment .....................................................................................................................272
Polygon printhead mechanical registration adjustment ................................................................................274
Removal procedures.............................................................................................................................277
Base printer - cover removals...............................................................................................................277
Left cover removal ..........................................................................................................................................277
Rear lower cover removal............................................................................................................................... 280
Top cover removal ..........................................................................................................................................282
Right cover removal........................................................................................................................................ 283
Rear door removal ..........................................................................................................................................285
Base printer- front removals.................................................................................................................286
Duplex exit diverter removal .......................................................................................................................... 286
Front door removal......................................................................................................................................... 288
Inner guide deflector removal ........................................................................................................................289
Laser printhead removal................................................................................................................................. 291
Left inner cover removal.................................................................................................................................295
Media aligner roller removal .......................................................................................................................... 297
Media turn guide removal .............................................................................................................................. 299
Media vertical guide removal .........................................................................................................................300
MPF feeder lift plate removal......................................................................................................................... 302
MPF pick roller removal.................................................................................................................................. 305
MPF tray removal ...........................................................................................................................................308
4063
Table of contents
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