Image forming apparatus and method having a temperature sensor w

Details Image forming apparatus and method having a temperature sensor w Image forming apparatus and method having a temperature sensor w

1995-10-02

1997-07-15

Royer, William J.

Electrophotography

Control of electrophotography process

Having temperature or humidity detection

399 50, 399 66, G03G 2100, G03G 1502

Patent

active

056492650

ABSTRACT:
An image forming method and apparatus having a temperature sensor which moves into and out of contact with the surface of a charge roller contacting the photoconductive drum. When a copying operation is occurring and a voltage is applied to the charge roller, the air temperature surrounding the charge roller is detected and when the copy machine is idle and a voltage is not being applied to the charge roller, the temperature sensor moves into contact with the surface of the charge roller and the surface of the charge roller is detected. A voltage is applied to the charge roller depending upon the detected temperature. The temperature sensor may also be used to detect the temperature of a contact transfer roller or belt.

REFERENCES:
patent: 5479243 (1995-12-01), Kurokawa et al.

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