Image forming device

Details Image forming device Image forming device

2006-03-22

2009-06-23

Colilla, Daniel J (Department: 2854)

Electrophotography

Document handling

Copy

C399S400000

Reexamination Certificate

active

07551887

ABSTRACT:
An image forming device includes an inner guide, a first outer guide, a second outer guide and a control device. A fusing casing is arranged between the inner guide and a heat roller. The inner guide forms a downstream end portion of a transportation path and a paper output path. The first outer guide is arranged at a position facing an open portion of a fusing casing across the transportation path, defines the downstream end portion of the transportation path together with the inner guide, and includes a hook-shaped portion curved to guide printing paper to the paper output path. The second outer guide defines the paper output path together with the inner guide, and defines an upstream end portion of the reversal path. The control device controls a linear speed of a paper output roller to be faster than a linear speed of a duplex transportation roller at a switchback transportation of the printing paper.

REFERENCES:
patent: 6160985 (2000-12-01), Hou
patent: 61075369 (1986-04-01), None
patent: 2002-96957 (2002-04-01), None
patent: 2002-167094 (2002-06-01), None
patent: 2003-095477 (2003-04-01), None
patent: 2003-182902 (2003-07-01), None
Official communication issued in counterpart Japanese Application No. 2005-124692, mailed on Sep. 2, 2008.

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