Table of contents
Product information......................................................................................2
Edition notice.................................................................................................2
Laser notices........................................................................................................................................................13
Safety information.............................................................................................................................................. 16
Change history....................................................................................................................................................21
General information................................................................................... 29
Media guidelines............................................................................................................................................... 29
Paper guidelines.......................................................................................................................................................... 29
Using specialty media ................................................................................................................................................ 32
Data security notice.......................................................................................................................................... 36
Tools required for service................................................................................................................................37
Troubleshooting overview.............................................................................................................................. 39
Power-on Reset (POR) sequence............................................................................................................................ 39
Fixing print quality issues................................................................................................................................40
Initial print quality check............................................................................................................................................ 40
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
Horizontal light bands check.................................................................................................................................... 63
Vertical light bands check ......................................................................................................................................... 64
Table of contents
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