Image forming apparatus, cartridge, image formation system,...

Electrophotography – Control of electrophotography process – Control of charging

Reexamination Certificate

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Reexamination Certificate

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06970661

ABSTRACT:
An image forming apparatus to which a process cartridge is detachably mountable,the process cartridge including an image bearing member,a charging member for electrically charging the image bearing member, and a memory medium having a memory area for storing information relating to a charging current for a non-image-formation period;the apparatus including a control unit for switching a voltage to be applied to the charging member in accordance with the information stored in the memory medium.

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