Method of detecting life of image bearing member, image...

Details Method of detecting life of image bearing member, image... Method of detecting life of image bearing member, image...

2005-11-01

2005-11-01

Ngo, Hoang (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S024000, C399S025000

Reexamination Certificate

active

06961527

ABSTRACT:
A method of detecting the end of the life of an image bearing member has: a contact time detecting step of detecting the contact time when a developer carrying member that can be in contact with or have a clearance with an image bearing member contacts the image bearing member, the developer carrying member developing an electrostatic image formed in the image bearing member by a developer; and a determining step of determining the end of the life of the image bearing member in accordance with a parameter calculated by using the contact time detected in the contact time detecting step.

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