Self adjusting paper guide

Details Self adjusting paper guide Self adjusting paper guide

1986-10-30

1987-11-24

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

271144, 271171, 355 3SH, B65H 100, G03B 2758

Patent

active

047084685

ABSTRACT:
An integral removable duplex module for use in conjunction with a reproduction processor is disclosed including two paper trays, a first operable as a duplex copy buffer tray or a paper tray and a second operable as an auxiliary paper tray, each tray having a copysheet feeder associated therewith comprised of a single cam operated mechanism having two cantilevered arms supporting constantly rotating feed rollers suspended above each paper tray and associated tray elevator mechanisms which enhances copysheet feeding when the feed rollers are pivoted toward the trays into copysheet feeding position and maintain copysheet trays in non-feeding positions during non-feeding operation. Copysheets are received in the duplex copy buffer tray from the reproduction processor via a reversible exit nip at the output of the processor, which directs sheets passed to an output back to a duplex module paper path, for repassing through the reproduction processor. Papers entering the module may be directed to either the duplex copy buffer tray or a trayless path which passes copysheets directly back to the processor. A method for operating the duplex module is described to efficient use of the trayless path, by directing copysheets thereto depending on the number of copies to be made. Accordingly, copysheets may be directable to the duplex tray or trayless path at various times during any run. Further use of the trayless path is made to advantageously improve two-up copying feature paper handling. Duplex operations are disabled on separation of the module from the reproduction processor.

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