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Notices, conventions, and safety information. ..................................... 13
Laser notice. ...................................................................................................................................... 13
Conventions. ..................................................................................................................................... 16
Safety information. .................................................................................................................................... 17
General caution statements. ...................................................................................................... 22
General information. ........................................................................... 29
Finding the serial number. ......................................................................................................... 29
Paper and specialty media guide................................................................................................ 30
Paper guidelines .................................................................................................................................. 30
Using specialty media .......................................................................................................................... 31
Supported paper sizes, types, and weights ......................................................................................... 33
Data security notice. ................................................................................................................... 35
Tools required for service ........................................................................................................... 35
Diagnostics and troubleshooting. .................................................... 37
Troubleshooting overview. ......................................................................................................... 37
Performing the initial troubleshooting check ............................................................................................. 37
Power‑on reset (POR) sequence ......................................................................................................... 37
Fixing print quality issues. .......................................................................................................... 38
Initial print quality check ............................................................................................................................. 38
Toner easily rubs off check .................................................................................................................. 38
Background or gray background check ............................................................................................... 40
Blank or white pages check ................................................................................................................. 41
Gapping or half color page check ........................................................................................................ 43
Blurred print or misaligned color check .............................................................................................. 44
Horizontal colored lines or banding check .......................................................................................... 45
Text or images cut off check ................................................................................................................ 46
Mottled print and dots check .............................................................................................................. 47
Vertical white lines check ............................................................................................................................ 48
Ghost images check ............................................................................................................................. 49
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