Image forming apparatus having movable drawer detachably...

Details Image forming apparatus having movable drawer detachably... Image forming apparatus having movable drawer detachably...

2009-03-23

2010-12-14

Tran, Hoan (Department: 2884)

Electrophotography

Having particular structure

Modular or displaceable

C399S114000

Reexamination Certificate

active

07853175

ABSTRACT:
An image forming apparatus capable of easily performing exchange in a process cartridge with a new cartridge and performing removal of a jammed sheet without detachment of a drawer from a casing. The drawer detachably holds a plurality of process cartridges, and is movable in frontward/rearward direction to one of an operable position where each photosensitive drum is in direct confrontation with a conveyer belt, a cartridge exchangeable position where all of the cartridges are positioned out of the casing, and a jammed sheet processing position ahead of the cartridge exchangeable position for removing a jammed sheet. A regulation mechanism is provided for selectively regulating the movement of the drawer dependent on detachment of a rearmost process cartridge from the drawer.

REFERENCES:
patent: 7567769 (2009-07-01), Noguchi et al.
patent: 7706720 (2010-04-01), Okamoto
patent: 7715752 (2010-05-01), Sakurai et al.
patent: 2007/0160380 (2007-07-01), Imaizumi et al.
patent: 2007-213018 (2007-08-01), None

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