Image forming apparatus and optional sheet feeding device

Electrophotography – Diagnostics – Component present or mounted

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07817926

ABSTRACT:
An image forming apparatus includes: an image forming apparatus main body including an image forming unit that forms an image on a sheet, a detachable main body sheet feeding tray that holds the sheet and a sheet feeding unit that feeds the sheet from the main body sheet feeding tray toward the image forming unit; an optional sheet feeding device that is capable of being added on a lower side of the main body sheet feeding tray and feeds the sheet toward the image forming unit, the optional sheet feeding device having a first detector that detects whether or not the main body sheet feeding tray is attached to a proper position; and a controller that controls operations of the image forming apparatus main body and the optional sheet feeding device based on a detection result of the first detector.

REFERENCES:
patent: 4307957 (1981-12-01), Kitagawa et al.
patent: 4699501 (1987-10-01), Watanabe et al.
patent: 4966356 (1990-10-01), Ohyabu et al.
patent: 5184184 (1993-02-01), Hayashi et al.
patent: 5191382 (1993-03-01), Okamura et al.
patent: 5485990 (1996-01-01), Kato
patent: 5612776 (1997-03-01), Machino et al.
patent: 5758249 (1998-05-01), Dutton et al.
patent: 5819153 (1998-10-01), Lim
patent: 5841362 (1998-11-01), Nakamura et al.
patent: 6049346 (2000-04-01), Cho
patent: 6370354 (2002-04-01), Chapman et al.
patent: 6643480 (2003-11-01), Kuwata et al.
patent: 2004/0190934 (2004-09-01), Okabe
patent: 2005/0019044 (2005-01-01), Uchida
patent: 60006538 (1985-01-01), None
patent: 60230164 (1985-11-01), None
patent: 03115026 (1991-05-01), None
patent: 11199092 (1999-07-01), None
patent: 11310328 (1999-09-01), None
patent: 2003306251 (2003-10-01), None
patent: 2004009401 (2004-01-01), None
Computer translation JP11-310328a.
Japanese Office Action in Application No. 2004-281929 with Dispatch Date of Nov. 6, 2007 and English translation thereof.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Image forming apparatus and optional sheet feeding device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus and optional sheet feeding device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus and optional sheet feeding device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4161931

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.