Image forming apparatus mounting exchange unit with memory

Details Image forming apparatus mounting exchange unit with memory Image forming apparatus mounting exchange unit with memory

1997-07-31

1999-03-02

Pendegrass, Joan

Electrophotography

Diagnostics

Consumable

399 88, G03G 1500

Patent

active

058782982

ABSTRACT:
In an image forming apparatus which mounts a photosensitive drum cartridge with a memory, even when a power switch is turned off while data indicating the number of copies is being written in the memory of the cartridge after a paper sheet is discharged, the power OFF operation is ignored, and the power supply is maintained. After the count value has been written in the memory, the power supply is turned off.

REFERENCES:
patent: 5452059 (1995-09-01), Sekiya

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