Lexmark X502N - Vertical White Band Service Check

2-62 Service Manual
7100-XXX
Vertical white band service check
White band appears in vertical direction of printed image.
Problem area Action
1 Toner cartridge Replace faulty toner cartridge.
2 Photodeveloper cartridge Replace faulty photodeveloper cartridge. See
“Photodeveloper cartridge removal” on page 4-8.
3 Transfer belt unit Replace faulty transfer belt unit. See “Transfer belt unit
removal” on page 4-5.