Diagnostic information 2-45
7100-XXX
Print quality service checks
Background service check
Background is smeared due to toner spread.
Problem area Action
1 Toner cartridge Too small charging amount in the development process.
2 Check developer high voltage contact points. insufficient contact of developer roller's primary or secondary
high voltage contact points. Ensure primary and secondary
contact points are free from contamination and toner debris.
Check toner cartridge developer roller bias pole. If
contaminated, clean it. If damaged or deformed, replace toner
cartridge.
3 Photodeveloper (OPC) cartridge Photodeveloper cartridge has reached life or is failing.
Replace photodeveloper cartridge. See “Photodeveloper
cartridge removal” on page 4-8.
Note: Photodeveloper cartridge is a customer-ordered
supply.
4 High voltage power supply (HVPS) HVPS has failed. Replace HVPS. See “High voltage power
supply (HVPS) removal” on page 4-39.
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