Method and apparatus for preventing erroneous image density dete

Details Method and apparatus for preventing erroneous image density dete Method and apparatus for preventing erroneous image density dete

1991-05-14

1992-09-08

Pendegrass, Joan H.

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355206, 355246, 430 30, G03G 2100

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active

051462737

ABSTRACT:
A humidity sensor detects a relative humidity which is one of the conditions of surroundings. CPU judges a defective detection and stops an objective image forming operation when density is decreased despite an increase in humidity or when density is increased despite a decrease in humidity basing on an image density information related to AIDC pattern supplied from AIDC sensor and basing on a humidity information supplied from the humidity sensor.

REFERENCES:
patent: 4539279 (1985-09-01), Murai et al.
patent: 4879576 (1989-11-01), Naito
patent: 4934314 (1990-06-01), Ideyama
patent: 4989039 (1991-01-01), Hayashi et al.

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