Multiple printer module electrophotographic printing device

Details Multiple printer module electrophotographic printing device Multiple printer module electrophotographic printing device

1997-11-05

1999-08-17

Wong, Peter S.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358501, 358401, 399381, H04N 121, H04N 146, G03G 2100

Patent

active

059401869

ABSTRACT:
A multiple print engine system includes a plurality of print engine modules (10) that are arranged in a parallel configuration. Each of the print engine modules (PEMs) is a dedicated print engine having an associated photoconductor drum (44) and a transfer drum (42). Paper is pulled from an associated paper bin (78) or (80) and passed through the transfer nip (46) between the two drums (44) and (42). The printed copy, either made by a monochrome process or a multipass color process, is then passed through a fuser (74) to a print buffer (16) which has an associated print buffer path (104). The paper is maintained in the print buffer until it is selected by the output combiner (20). The output combiner (20) extracts the paper from the print buffer (16) at a faster rate than it was processed by the associated one of the print engines (10). The images are distributed to the various print engines by an image distributor (30) which determines which image is associated with which engine. A print manager (32) determines which of the copies in the print buffers (16) are output to the output combiner (20) and, subsequently, to an output bin.

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