Image forming apparatus

Electrophotography – Image formation – Combined or plural functions by single component

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

10798401

ABSTRACT:
An image forming apparatus includes: an endless belt; a plurality of image carriers; a plurality of charging units; an exposing unit; and a plurality of developing units configured to develop an electrostatic latent image on each of the image carrier with a developer of different color to form a developer image and to retrieve a residual developer on the image carrier, wherein the endless belt is configured to be transferred the developer images formed on each of the plurality of image carriers thereon to form a color image, and transfers the color image onto a recording medium, and wherein the developing unit provided at a most upstream position with respect to the moving direction of the endless belt forms the developer image with a developer of black color, and is configured to retrieve a residual developer on the endless belt.

REFERENCES:
patent: 5066989 (1991-11-01), Yamamoto
patent: 5363178 (1994-11-01), Matsumoto
patent: 5724633 (1998-03-01), Amemiya
patent: 6385428 (2002-05-01), Uchida et al.
patent: 6442356 (2002-08-01), Omata et al.
patent: 6708011 (2004-03-01), Nomura et al.
patent: 6721524 (2004-04-01), Sato et al.
patent: 6783906 (2004-08-01), Ishida et al.
patent: 6798430 (2004-09-01), Sato
patent: 6865361 (2005-03-01), Abe et al.
patent: 6904256 (2005-06-01), Sato et al.
patent: 2003/0142988 (2003-07-01), Kimura
patent: A 2-269373 (1990-02-01), None
patent: A 9-34205 (1997-07-01), None
patent: A 2000-29365 (2000-01-01), None
patent: A 2001-75331 (2001-03-01), None
patent: A 2001-117424 (2001-04-01), None
patent: A 2001-142279 (2001-05-01), None
patent: A 2001-147632 (2001-05-01), None
patent: A 2001-272833 (2001-10-01), None
patent: A 2002-189335 (2002-07-01), None
patent: A 2002-296840 (2002-09-01), None
patent: A 2003-295542 (2003-10-01), None

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

Rate now

     

Profile ID: LFUS-PAI-O-3883239

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