Mottle service check, Mottle service check” on – Lexmark 5021-0XX User Manual
Page 190
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2-112
Service Manual
5021-0XX
Mottle service check
Variation of optical density is found in image.
Problem area
Action
1
Rear cover assembly
Rear cover assembly is not fixed in
place.
Open rear cover assembly and close
properly.
2
Transfer roller
Transfer roller is not properly
installed.
Remove and reinstall transfer roller.
See
3
Paper
Replace deformed paper.
4
Toner cartridge
Replace defective toner cartridge.
5
HVPS
Replace faulty HVPS. See
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