Jitter Service Check - Lexmark X500n Service Manual

7100-XXX

Jitter service check

Uneven optical density appears periodically in horizontal direction.
Problem area
1 Photodeveloper cartridge
2 Main motor assembly
3 Developer drive assembly
2-52
Service Manual
Action
Replace faulty photodeveloper cartridge. See
"Photodeveloper cartridge removal" on page
Note: Photodeveloper cartridge is a customer order supply.
• Irregular rotation of main motor assembly
• Main motor assembly gear unit failure
• Variation of OPC belt running speed due to failing main
motor assembly
Replace main motor assembly. See
removal" on page 4-26.
Replace faulty developer drive assembly. See
drive assembly removal" on page
4-8.
"Main motor assembly
"Developer
4-22.