Copy production machines having supply sheet pick retry

Details Copy production machines having supply sheet pick retry Copy production machines having supply sheet pick retry

1976-12-20

1978-08-29

Pellinen, A. D.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

271258, G03G 2100

Patent

active

041100328

ABSTRACT:
A copy production machine, such as a transfer electrographic copier, picks copy sheets for receiving images during a transfer operation. On rare occasions a sheet may not be successfully picked. Instead of turning the machine off and requiring manual intervention for a restart, the machine automatically retrys to repick the sheet of paper a predetermined number of times. If during such retry the pick is successful, then the copy production resumes automatically; if not, the machine is turned off after the predetermined number of cycles. During each machine cycle having an unsuccessful pick, protective actions are taken to insure that toner does not contaminate the machine and certain other actions do not provide a fire hazard. All retries are logged for maintenance assistance.

REFERENCES:
patent: 3781004 (1973-12-01), Buddendeck et al.
patent: 3961786 (1976-06-01), Yanker
patent: 3970384 (1976-07-01), Yamamoto et al.
patent: 4036556 (1977-07-01), Knight et al.

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