Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1982-12-27
1984-10-16
Prescott, A. C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3DR, 355 3BE, 355 14CU, G03G 1500
Patent
active
044771800
ABSTRACT:
Photoconductor panels are automatically replaced in an electrophotographic copier or printer after it is determined that the panels require replacement and the machine has entered into a run-out mode. The run-out mode is defined as the time period at the end of a copy processing operation between the transfer of the last image to a copy sheet and the final processing of that copy sheet by the machine. The photoconductor panel is completely replaced without interrupting machine operation and in a manner transparent to the user. A control circuit or process interprets the machine states to determine presence of the run-out mode.
REFERENCES:
patent: 3358570 (1967-12-01), Morrill et al.
patent: 3588242 (1971-06-01), Berlier et al.
patent: 3944360 (1976-03-01), Deetz et al.
patent: 3984241 (1976-10-01), Schrempp et al.
patent: 4097138 (1978-06-01), Kingsley
patent: 4231652 (1980-11-01), Moser et al.
patent: 4239375 (1980-12-01), Eisbein et al.
patent: 4332465 (1982-06-01), Steury
IBM Series III Copier/Duplicator Service Manual, Form No. 241-5928-0, Mar. 1976, pp. 6, 7, 9, 25-28.
Hancock Earl C.
Hauptman Gunter A.
International Business Machines - Corporation
Prescott A. C.
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