Lexmark 5021-0XX - Manual (Page 191)

Diagnostic information 2-113
5021-0XX
Residual image service check
Image of preceding page appears on every other page.
Problem area Action
1 Transfer unit cleaning roller Cleaning roller is not installed
properly. Remove and reinstall.
Ensure left side of cleaning roller is
making good contact with HVPS
contact.
If error continues to occur after
reinstallation, replace cleaning roller.
See
“Transfer belt cleaning roller
removal” on page 4-6 .
2 HVPS Replace faulty HVPS. See “High
voltage power supply (HVPS)
removal” on page 4-59
.