Image forming device

Details Image forming device Image forming device

2008-06-25

2010-10-05

Porta, David P (Department: 2884)

Electrophotography

Diagnostics

Component present or mounted

Reexamination Certificate

active

07809289

ABSTRACT:
An image forming device includes a device body, an image forming unit provided in the device body to form an image on a recording medium, a carrying unit detachably attached to the device body so as to carry a recording medium on a carrying route, a first detecting unit provided on the carrying route to output a detection signal that varies depending on whether there is a recording medium being carried, the first detecting unit including a movable portion that influences the detection signal depending on a location thereof, a displacing unit that changes the location of the movable portion depending on whether the carrying unit is attached to the device body, and a determining unit that determines based upon the detection signal of the first detecting unit whether there is a recording medium being carried and whether the carrying unit is attached to the device body.

REFERENCES:
patent: 6959155 (2005-10-01), Kim
patent: 7242874 (2007-07-01), Tsusaka
patent: 2005/0220461 (2005-10-01), Tsusaka
patent: 2006/0034623 (2006-02-01), Inukai
patent: 2006/0289280 (2006-12-01), Furuya et al.
patent: 2007/0104497 (2007-05-01), Kwon
patent: 2000-305380 (2000-11-01), None
patent: 2002-328571 (2002-11-01), None
patent: 2005-292357 (2005-10-01), None
patent: 2005-345939 (2005-12-01), None
patent: 2006-343629 (2006-12-01), None
JP Office Action dtd May 12, 2009, JP Appln. 2007-172526.

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