Reproduction apparatus having an image member with timing indici

Details Reproduction apparatus having an image member with timing indici Reproduction apparatus having an image member with timing indici

1988-11-14

1990-04-03

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355212, 355317, G03G 1500

Patent

active

049144774

ABSTRACT:
A reproduction apparatus has an endless web with perforations or other indicia triggering image formation and receiving sheet presentation. To correct for error in perforation location the distance between perforations is measured and a delay after sensing one or both perforations is adjusted accordingly. Preferably, the distance between perforations is measured by an encoder temporarily connected to the apparatus when a new web is installed by a serviceperson.

REFERENCES:
patent: Re32967 (1989-06-01), St. John et al.
patent: 3594552 (1971-07-01), Adamson et al.
patent: 4025186 (1977-05-01), Hunt, Jr. et al.
patent: 4252432 (1981-02-01), Ophey
patent: 4477176 (1984-10-01), Russel

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