Color printer with shuttle type paper drive and method

Electrophotography – Document handling – Copy

Patent

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Details

399388, 399394, G03G 1500

Patent

active

059786426

ABSTRACT:
A printing system for printing multiple colors on a sheet of print media includes an electrophotographic printer having a photoconductor drum and a transfer roller configured to interact in co-rotation with the drum during transfer of a color image plane from the drum onto a sheet of print media passed therebetween. A paper drive sheet feeder system is included which has a grit shaft extending generally transverse of a paper travel path, a first pinch roller configured to interact in co-rotation with the grit shaft along a first edge of a sheet of print media, and a second pinch roller configured to interact in co-rotation with the grit shaft along a second edge of the sheet of print media. The grit shaft is driven in rotation to drive the sheet of print media along a bidirectional sheet travel path such that a plurality of different colored image planes is superposed onto the sheet of print media in accurate registration therebetween. A method for printing multiple colors is also described.

REFERENCES:
patent: 4384298 (1983-05-01), LaBarre et al.
patent: 4598298 (1986-07-01), Groenke et al.
patent: 5212532 (1993-05-01), Storlie
patent: 5462373 (1995-10-01), Chia
patent: 5727890 (1998-03-01), Stodder et al.
patent: 5790915 (1998-08-01), Arcaro et al.

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