Network service check ............................................................................................................................................265
Toner meter cycle (TMC) card service check.....................................................................................................268
USB service check ....................................................................................................................................................269
Control panel USB cable service check..............................................................................................................269
Toner patch sensing service check ......................................................................................................................270
Auto alignment service check................................................................................................................................272
Service menus...........................................................................................277
Understanding the printer control panel...................................................................................................277
Using the control panel ........................................................................................................................................... 277
Understanding the status of the power button and indicator light..............................................................278
Using the home screen............................................................................................................................................278
Menus list.....................................................................................................................................................................279
Diagnostics menu...........................................................................................................................................280
Entering the Diagnostics menu ............................................................................................................................ 280
Event Log......................................................................................................................................................................281
Reports ..........................................................................................................................................................................281
Advanced Print Quality Samples...........................................................................................................................282
Input tray quick print.................................................................................................................................................282
Printer Setup...............................................................................................................................................................282
Printer diagnostics and adjustments....................................................................................................................284
Scanner Diagnostics.................................................................................................................................................286
Additional input tray diagnostics.......................................................................................................................... 290
Service Engineer menu..................................................................................................................................291
Entering Invalid engine mode.................................................................................................................................291
Entering the Service Engineer (SE) menu............................................................................................................291
General SE ...................................................................................................................................................................291
Network SE ..................................................................................................................................................................291
Fax SE...........................................................................................................................................................................292
Scan SE ........................................................................................................................................................................293
Repair information................................................................................... 295
Removal precautions..................................................................................................................................... 295
Data security notice..................................................................................................................................................295
Handling ESD‑sensitive parts.................................................................................................................................296
Controller board/control panel replacement .....................................................................................................296
Restoring the printer configuration after replacing the controller board ...................................................297
Restoring solutions, licenses, and configuration settings ............................................................................. 300
Updating the printer firmware ................................................................................................................................301
Backing up eSF solutions and settings ...............................................................................................................302
Disconnecting ribbon cables..................................................................................................................................302
Adjustments......................................................................................................................................................303
Printhead alignment adjustment ...........................................................................................................................303
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