Image forming device

Details Image forming device Image forming device

2005-10-27

2008-10-14

Gray, David M. (Department: 2852)

Electrophotography

Cleaning of imaging surface

Abrasion or film removal

C399S044000

Reexamination Certificate

active

07437115

ABSTRACT:
An image forming device30is constituted capable of executing a refresh mode, including: a toner discharge process that transports toner on a developing sleeve4ainside a developing unit4to a photoreceptor drum1side when starting up the image forming device from the power supply off state, the sleep (energy saving) mode, and the like, to the copy start state; a transfer roller refresh process that transports the toner transported to the photoreceptor drum1side by the toner discharge process to a transfer roller5side; and a return process that once again transports the toner transported to the transfer roller5side by the transfer roller refresh process to the photoreceptor drum1side.

REFERENCES:
patent: 5740494 (1998-04-01), Shoji et al.
patent: 6324354 (2001-11-01), Tode et al.

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