Protective layer setting unit, process cartridge, and image...

Details Protective layer setting unit, process cartridge, and image... Protective layer setting unit, process cartridge, and image...

2008-07-07

2010-06-08

Gray, David M (Department: 2852)

Electrophotography

Cleaning of imaging surface

Including lubricant

C399S111000, C399S123000, C399S159000

Reexamination Certificate

active

07734242

ABSTRACT:
A protective layer setting unit includes a protective agent and an application unit configured to apply the protective agent to an image carrying member in a manner sufficient to satisfy equations (1) and (2). A surface condition of the image carrying member is determined by an applied-agent amount index “X” and an agent coating ratio “Y,” and a ratio of “X/Y” is set to 0.020 or less after applying the protective agent for 120 minutes.in-line-formulae description="In-line Formulae" end="lead"?applied-agent amount indexX=Sb/Sa  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?agent coating ratioY=(A0−A)/A0×100(%)  (2).in-line-formulae description="In-line Formulae" end="tail"?

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