Image forming apparatus

Details Image forming apparatus Image forming apparatus

2009-01-23

2011-12-13

Porta, David (Department: 2884)

Electrophotography

Image formation

Exposure

C399S118000, C399S177000

Reexamination Certificate

active

08078085

ABSTRACT:
In an image forming apparatus, a support frame configured to support a plurality of cartridges each including a photoconductor is allowed to be pulled out from a casing of the apparatus. A plurality of light-emitting parts configured to expose a corresponding photoconductor to light is arranged in each exposure unit which is movable between an exposure position proximate to the corresponding photoconductor and a retreating position away from the photoconductor. A pair of side plates of the support frame, which extends in a direction perpendicular to a main direction in which the light-emitting parts are arranged, has guide slots formed therein, each of which is configured to guide movement of a corresponding exposure unit between its exposure and retreating positions. Each guide slot includes a positioning portion configured to position the exposure unit in position in a subordinate direction perpendicular to the main direction and to an exposure direction.

REFERENCES:
patent: 5708907 (1998-01-01), Masuda et al.
patent: 6708011 (2004-03-01), Nomura et al.
patent: 2006/0050135 (2006-03-01), Fukuda
patent: 2006/0067734 (2006-03-01), Igarashi et al.
patent: 2007/0160385 (2007-07-01), Noguchi et al.
patent: 2003-043776 (2003-02-01), None
patent: 2006-098772 (2006-04-01), None

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