Image forming apparatus having printing medium feeding unit

Details Image forming apparatus having printing medium feeding unit Image forming apparatus having printing medium feeding unit

2006-07-26

2008-11-11

Gray, David M. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

07450884

ABSTRACT:
An image forming apparatus having a printing medium feeding unit is provided. The image forming apparatus includes a driving roller and an idle roller which engage with each other and which feed a printing medium, an elastic member which elastically biases the driving roller toward the idle roller, and a releasing member. The releasing member releases the elastic member when a cover door is opened so that the driving roller and idle roller may be separated from one another to remove a jammed printing medium. Accordingly, when a jammed printing medium is removed, the printing medium is not crumpled or torn, parts of the image forming apparatus are not damaged, and the image forming apparatus does not malfunction.

REFERENCES:
patent: 6993268 (2006-01-01), Otaka
patent: 2004/0018034 (2004-01-01), Baek et al.
patent: 05-132185 (1993-05-01), None
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patent: 2000-214718 (2000-08-01), None
patent: 2002-220146 (2002-08-01), None

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