System and method for providing multi-pass imaging in a printing

Details System and method for providing multi-pass imaging in a printing System and method for providing multi-pass imaging in a printing

1997-10-16

2000-04-18

Hilten, John S.

Printing

Rolling contact machines

Rotary

101223, 101221, 101220, B41F 506

Patent

active

06050191&

ABSTRACT:
A multi-pass imaging system and method provides for duplex documents and multiple color images with variable information to be printed by re-entering a substrate into a same tower system, employing a split roller design, for generating subsequent portions of a printed image. When a webbed substrate is fed into a tower, a first one in each of multiple pairs of rollers moves the substrate past a first set of printheads for generating a first portion of the printed image. The substrate is then re-entered into the tower, and a second one in each of the multiple pairs of rollers moves the substrate past a subsequent set of printheads for generating a subsequent portion of the printed image. Each of the multiple pairs of rollers comprise independently operating dual rollers on a single shaft.

REFERENCES:
patent: 3835775 (1974-09-01), Benton
patent: 3906855 (1975-09-01), Laursen
patent: 5467179 (1995-11-01), Boeck et al.
patent: 5568245 (1996-10-01), Ferber et al.
patent: 5699735 (1997-12-01), Stein et al.

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