Table of contents
Product information.....................................................................................2
Edition notice...............................................................................................2
Notices and safety information..................................................................15
Laser notices............................................................................................................................................15
Safety.......................................................................................................................................................18
Preface.......................................................................................................23
Service manual conventions....................................................................................................................23
General information...................................................................................25
Media guidelines.....................................................................................................................................25
Paper guidelines ............................................................................................................................................... 25
Using recycled paper and other office papers ..................................................................................................28
Using specialty media ....................................................................................................................................... 28
Supported paper sizes, types, and weights ......................................................................................................30
Data security notice.................................................................................................................................33
Tools required for service........................................................................................................................34
Diagnostic information...............................................................................35
Troubleshooting overview.......................................................................................................................35
Performing the initial troubleshooting check ...................................................................................................35
Power‑on Reset (POR) sequence ......................................................................................................................36
Using Safe Mode...............................................................................................................................................36
Fixing print quality issues........................................................................................................................37
Initial print quality check ..................................................................................................................................37
Gray background or toner fog on prints ...........................................................................................................38
Repeating defects .............................................................................................................................................39
Printer is printing blank pages ..........................................................................................................................39
Printer is printing solid black pages ..................................................................................................................40
Shadow images appear on prints .....................................................................................................................40
Skewed print..................................................................................................................................................... 41
Streaked horizontal or vertical lines appear on prints......................................................................................43
Toner rubs off ................................................................................................................................................... 44
Toner specks appear on prints..........................................................................................................................45
Paper jams...............................................................................................................................................45
Avoiding jams....................................................................................................................................................46
Understanding jam messages and locations.....................................................................................................47
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