Image forming apparatus

Details Image forming apparatus Image forming apparatus

2011-02-15

2011-02-15

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Responsive to number of copies or passage of time

C399S044000, C399S094000, C399S097000, C399S261000

Reexamination Certificate

active

07890003

ABSTRACT:
An image forming apparatus includes an image forming unit having an image carrier, a developing agent container for holding a developing agent, and a developing agent supplier for supplying the developing agent from the developing agent container to the image carrier. A controller determines the amount of use of the image forming unit. A shaking mechanism shakes the image forming unit from time to time, at intervals determined by the controller according to the amount of use of the image forming unit. The shaking loosens the developing agent so as to maintain its fluidity, thereby avoiding faint image formation.

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