Two sided imaging of a continuous web substrate with a single pr

Details Two sided imaging of a continuous web substrate with a single pr Two sided imaging of a continuous web substrate with a single pr

1997-09-30

1999-10-19

Moses, Richard

Electrophotography

Document handling

Original and copy

399384, 399385, 399386, G03G 1500

Patent

active

059703040

ABSTRACT:
A continuous web substrate duplex printing system which can utilize a single and otherwise conventional or existing xerographic print engine (normally printing conventional cut sheet print substrates) of a standard width without substantial structural modification. Separate first and second image transfer stations are positioned in line with one another in the direction of movement of the endless surface imaging member, with said second image transfer station downstream of the first, for respectively transferring print images to the first and second sides of the continuous web sequentially without requiring a dual width imaging member or dual imaging members for duplex printing. The two in-line transfer stations may be part of a dockable web printing module for appropriately feeding the continuous web into the print engine for image transfers to both sides of the web with web inversion and a controlled expandable/contractible web loop in between those two transfer stations, for transferring the page print images onto both sides of the web in the proper sequence and positions.

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patent: 5797079 (1999-02-01), Creutzmann et al.
Xerox Disclosure Journal, vol. 9, No. 3, May/Jun., 1984, pp. 201-203 Method for Duplex Printing on Continuous Web Paper,by: E. McIrvine.

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