Image forming apparatus capable of correcting position deviation

Details Image forming apparatus capable of correcting position deviation Image forming apparatus capable of correcting position deviation

1997-03-18

1998-10-27

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Color balance

347116, 399394, G03G 1501, G03G 1504, G06F 1562

Patent

active

058289259

ABSTRACT:
A sensor for measuring a temperature of a portion near an exposing unit to expose a photosensitive drum and a sensor for measuring a temperature in an apparatus other than the exposing unit are provided, thereby controlling a registration correction operation in accordance with a difference between outputs of those sensors. Thus, the registration correction operation can be always executed at the optimum timing and a good image can be continuously formed.

REFERENCES:
patent: 4937664 (1990-06-01), Chiku et al.
patent: 5212504 (1993-05-01), Takada et al.
patent: 5272492 (1993-12-01), Castelli
patent: 5587771 (1996-12-01), Mori et al.

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