Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-12-12

2009-12-08

Gray, David M (Department: 2852)

Electrophotography

Diagnostics

Consumable

C399S027000, C399S043000, C399S236000, C399S257000, C399S053000

Reexamination Certificate

active

07630656

ABSTRACT:
To provide an image forming device that is capable of preventing deterioration of the image quality through preventing deterioration of the toner even if frequency of making a copy is low. The image forming device includes: a developing part having a developing roller for achieving development by electrostatically attaching a toner onto an electrostatic latent image formed on a photoreceptor; a transferring part for transferring a developed toner image to a paper; and a cleaner part for removing and collecting the toner remained on the photoreceptor after transferring, wherein the developing roller is rotary-driven at a lower speed than a speed of development under a standby state. The image forming device includes a standby-state refresh control part for forcibly consuming an amount of the toner that is calculated based on accumulated time of the low-speed rotary drive.

REFERENCES:
patent: 2005/0025506 (2005-02-01), Adachi
patent: 4-068370 (1992-03-01), None

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