Photocopying – Contact printing – Light boxes
Patent
1989-12-05
1990-11-27
Grimley, A. T.
Photocopying
Contact printing
Light boxes
271 31, 355313, 355320, 355323, G03G 2100
Patent
active
049740342
ABSTRACT:
An improved post-collation duplex to duplex copying system, for a duplexing copier with a duplex buffer tray, and connected sorter bins, utilizing a recirculating duplex document handler (RDH) in which a set of duplex (two sided) original document sheets may be loaded, recirculated, copied, and inverted during circulations, for making plural duplex (two sided) copy sheets, by temporarily storing a calculated variable plural number of identical consecutive first side copies of each document in the duplex tray and feeding these copy sheets out from the duplex tray for copying their second sides in a subsequent document circulation, and outputting them to selected sorter bins, in which the plural identical copies are collated in a calculated variable number of sorter bins normally substantially less than the total number of bins. This variable number of identical copies made per document in a circulation and bins utilized per circulation is preferably a repeatedly recalculated function of the smallest of: (1) the duplex tray capacity.div.number of originals being copied, or (2) the quantity of copy sets selected, or (3) the number of available sorter bins, or (4) the remaining quantity of copy sets to be made.
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Daughton John W.
Hutchinson Gary L.
Kukucka William P.
Rabb Khalid M.
Dang Thu A.
Grimley A. T.
Xerox Corporation
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