Print Quality-Vertical Banding - Lexmark C520 Series Service Manual

Potential cause
3 HVPS cable
4 HVPS
5 System card
Print quality—vertical banding
Potential cause
1 Developer cartridge
Action
Turn the printer off and check the continuity of the HVPS cable. If
incorrect, replace the cable assembly.
Replace the HVPS. Go to
removal" on page 4-55.
Replace the system card. Go to
page 4-47.
Action
Replace the developer cartridge.
"High volt power supply (HVPS)
"System card removal" on
Diagnostic information
5022-xxx
2-73