Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1980-09-23
1982-06-01
Prescott, Arthur C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3BE, 355 3DR, 355 14E, 355 25, G03G 1500
Patent
active
043324657
ABSTRACT:
A balanced photoconductor usage control system for an electrophotographic copier/printer machine having a photoconductor containing thereon two page images areas, is employed to solve the problem of excessively high background level due to toner filming. More specifically, the control system includes memory means for retaining a location of a last page image area which was last used to produce a page, and control means jointly responsive to a presence of a full page condition in a page buffer, and to the memory means to effect production of a next page on an alternate page image area.
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Holcombe J. H.
International Business Machines - Corporation
Jancin, Jr. J.
Prescott Arthur C.
Yee Y. S.
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