Image forming apparatus responsive to environmental conditions

Details Image forming apparatus responsive to environmental conditions Image forming apparatus responsive to environmental conditions

1988-01-14

1991-01-29

Braun, Fred L.

Photocopying

Contact printing

Light boxes

346160, 355 69, 355219, G03G 2100, G03B 2772

Patent

active

049890395

ABSTRACT:
An image forming apparatus responsive to environmental conditions has an image forming device for forming a dot image on a recording member. The image forming device includes exposure apparatus for exposing the recording member. A detector detects a humidity condition of the apparatus, and control circuitry regulates the amount of light of the exposure apparatus in accordance with an output of the detector. The control circuitry is adapted, when the humidity detected by the detector is lower than a predetermined value, to select an amount of light of the exposure apparatus larger than that in the case where the humidity is higher than the predetermined value.

REFERENCES:
patent: 2357809 (1944-09-01), Carlson
patent: 3649114 (1972-03-01), Vlach et al.
patent: 4105321 (1978-08-01), Urso
patent: 4360261 (1982-11-01), Kohyama
patent: 4646249 (1987-02-01), Tanioka et al.
patent: 4680646 (1987-07-01), Ikeda et al.
patent: 4697910 (1987-10-01), Kasuya
patent: 4709250 (1987-11-01), Takeuchi
patent: 4725854 (1988-02-01), Ohtsuka et al.

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