Image formation apparatus having tuck prevention control means

Details Image formation apparatus having tuck prevention control means Image formation apparatus having tuck prevention control means

1992-03-03

1994-03-01

Muller, Jr., George H.

Recorders

Electric recording

Electrochemical

355207, 355208, 395114, G01D 1506, G03G 2100

Patent

active

052912280

ABSTRACT:
In an image formation apparatus, a drum tuck prevention element prevents a cut paper, which is a transfer material, which is an image holding means, from being wound on a photosensitive drum with an electrostatic state. The drum tuck prevention element detects, according to various physical information, the occurrence of a drum tuck. The drum tuck prevent element includes a tuck estimation judgment element which produces drum tuck prevention control information in response to the physical information. The physical information can be selected from a digital data for exposing the drum, temperature and humidity data obtained by detection in an area surrounding of an apparatus main body, data for indicating a residual amount of a development element, data for detecting an electrostatic latent image formed on the drum and data for indicating a visual image formed on a surface of the drum.

REFERENCES:
patent: 4113374 (1978-09-01), Nakamura et al.
patent: 4538902 (1985-09-01), Inuzuka et al.
patent: 4945386 (1990-07-01), Ito et al.
patent: 5200784 (1993-04-01), Kimura et al.

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