White print service check – Lexmark 5021-0XX User Manual
Page 203

Diagnostic information
2-125
5021-0XX
White print service check
Blank page (no print at all) is printed or a specific color is missing.
Problem area
Action
Solid white print
1
Optical Unit (Printhead)
Laser light path is blocked by paper or
other material stuck at the opening of
the optical unit. Ensure there are no
foreign particles stuck at the opening
of the optical unit.
2
Transfer roller
Transfer roller is not properly
installed. Remove transfer roller and
reinstall. See
transfer roller bias pole is touching
spring contact on left side (as viewed
from front of printer) of roller.
3
HVPS
Replace faulty HVPS. See
voltage power supply (HVPS)
removal” on page 4-59
One color missing
4
Toner cartridge
Replace faulty toner cartridge.
5
Toner retract system
Replace specific faulty toner retract
system. See
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