Electrophotographic printing machine including a post-fusing sub

Details Electrophotographic printing machine including a post-fusing sub Electrophotographic printing machine including a post-fusing sub

1999-08-04

2000-07-25

Chen, Sophia S.

Electrophotography

Image formation

Fixing

162271, 399406, 430 97, G03G 1520, G03G 2100

Patent

active

060945605

ABSTRACT:
A moisturizing and decurling apparatus, mountable immediately downstream of a fusing apparatus in an electrostatographic reproduction machine, is provided for removing any curl from a copy sheet in order to produce a high quality toner particle image of an original image on a stable flat copy sheet. The moisturizing and decurling apparatus includes a moisturizing device for applying moisture onto a copy sheet within a critical period of time after the copy sheet passes through the fusing apparatus, and a constraining and stabilizing assembly for constraining and stabilizing the copy sheet into a desired flat condition before the melted toner particles cool below a set critical temperature. The constraining and stabilizing assembly includes a flat vacuum belt assembly for holding flat and transporting the copy sheet before the melted toner particles cool below the set critical temperature.

REFERENCES:
patent: 4375327 (1983-03-01), Matsumoto et al.
patent: 4652110 (1987-03-01), Sato et al.
patent: 5434029 (1995-07-01), Moser
patent: 5557388 (1996-09-01), Creutzmann et al.
patent: 5933694 (1999-08-01), Yamashita et al.

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