Duplex/simplex precollation copying system
AssigneeXerox Corporation
InventorsThomas J. Hamlin, Clifford L. George
Life of this patent
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Abstract
A copying system for copying either duplex or simplex original document sets as pre-collated copy sets, utilizing a document handling system providing selective automatic recirculative pre-collation copying of either duplex or simplex document sheets, with selective automatic sheet inversion. Also described is an integral sheet stack normal force/jogger unit for continuous and simultaneous top loading and bottom feeding from either opposite or common directions from a stack of document or copy sheets.
Claims4
A method of producing pre-collated simplex (one-sided) copy sheet sets at the output of a copier from duplex (two-sided) original document sheets which are recirculated to the imaging station of the copier comprising the steps of:
- copying only the first sides of said duplex document sheets in a first copying circulation thereof onto one side of copy sheets as simplex copy sheets,
- temporarily storing in said copier said simplex copy sheets made on said first copying circulation of said duplex documents as an intermediate buffer set,
- copying the opposite sides of said duplex documents onto additional simplex copy sheets in a second copying circulation and feeding said additional simplex copy sheets as they are made to the copier output alternately and interleaved with copy sheets fed from said buffer set to produce a complete precollated simplex copy sheet set from said duplex document sheets,
- and alternately repeating the above first and second copying recirculation steps to form plural, precollated simplex copy sheet sets.
Dependencies are inferred from the claim text.