Table of contents
Product information......................................................................................2
Edition notice.................................................................................................2
Notices and safety information................................................................. 13
Laser notices........................................................................................................................................................13
Safety information.............................................................................................................................................. 16
Service conventions and change history.................................................21
Change history....................................................................................................................................................21
General information................................................................................... 29
Printer model configurations..........................................................................................................................29
Media guidelines............................................................................................................................................... 29
Paper guidelines.......................................................................................................................................................... 29
Using recycled paper and other oce papers.................................................................................................... 32
Using specialty media ................................................................................................................................................ 32
Supported paper sizes, types, and weights......................................................................................................... 34
Data security notice..........................................................................................................................................36
Tools required for service................................................................................................................................37
Diagnostics and troubleshooting............................................................. 39
Troubleshooting overview.............................................................................................................................. 39
Performing the initial troubleshooting check....................................................................................................... 39
Power‑on Reset (POR) sequence............................................................................................................................ 39
Fixing print quality issues................................................................................................................................40
Initial print quality check............................................................................................................................................ 40
Gray background or toner fog check...................................................................................................................... 41
Blank pages check...................................................................................................................................................... 43
Solid black pages check............................................................................................................................................ 49
Print is too dark check................................................................................................................................................ 52
Print is too light check................................................................................................................................................ 54
Paper curl check..........................................................................................................................................................56
Folded or wrinkled paper check ............................................................................................................................. 58
Repeating defects check........................................................................................................................................... 59
Skewed print check ....................................................................................................................................................60
Streaked vertical lines appear on prints check ................................................................................................... 62
Horizontal light bands check.................................................................................................................................... 63
Vertical light bands check......................................................................................................................................... 64
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