Copy processing system for a reproduction machine

Details Copy processing system for a reproduction machine Copy processing system for a reproduction machine

1982-09-21

1985-02-05

Grimley, A. T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14C, 355 14SH, G03G 1500

Patent

active

044975694

ABSTRACT:
A xerographic type reproduction machine or copier having means to monitor movement of the copy sheet and control processing thereof as the copy sheet moves along the machine paper path. A series of copy sheet monitoring stations at discrete intervals along the paper path and a copy information byte, which is provided with each copy sheet and which has instructions for processing the copy sheet to the next monitoring station, are provided. At start-up and during processing as the copy sheet moves from one station to the next, successive jam checks are made to identify and monitor movement of the copy sheet along the paper path. As each jam check is satisfied, the copy information byte is moved from one reading location to another to provide instructions for processing the copy sheet in the interval to the next monitoring station.
Where a jam occurs in the relatively difficult to access paper tray area of the machine, the paper tray feeder and copy sheet transport means are operated temporarily despite the jam in an attempt to move any jammed sheet to a more favorable position for clearing the jam.

REFERENCES:
patent: 3878540 (1975-04-01), Kawai
patent: 4109574 (1978-08-01), Forster et al.
patent: 4110032 (1978-08-01), Hubbard et al.
patent: 4156133 (1979-05-01), Legg
patent: 4206995 (1980-06-01), Legg
patent: 4283773 (1981-08-01), Daughton et al.
patent: 4338671 (1982-07-01), Korytkowski et al.
IBM Technical Disclosure Bulletin, vol. 21, No. 9, Feb. 1979, Travis, T., "Jam Indication".

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