Image forming apparatus capable of adjusting drive control of de

Details Image forming apparatus capable of adjusting drive control of de Image forming apparatus capable of adjusting drive control of de

1994-06-13

1995-11-28

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355208, 355245, G03G 1501, G03G 1506

Patent

active

054712920

ABSTRACT:
An image forming apparatus includes an image carrier for carrying an electrostatic image, a developer unit having a plurality of developers each for developing the electrostatic image on the image carrier, a drive circuit for driving the developer unit to stop a selected developer at a predetermined position facing the image carrier, a detection circuit for detecting the stop position of the developer, and an adjustment circuit for adjusting drive control of the developer unit by the drive circuit in accordance with a detection output from the detection circuit.

REFERENCES:
patent: 4713673 (1987-12-01), Kessoku
patent: 4782360 (1988-11-01), Iwamoto et al.
patent: 4939548 (1990-07-01), Yamada et al.
patent: 5132733 (1992-07-01), Koizumi et al.
patent: 5160969 (1992-11-01), Mizuma et al.
patent: 5294967 (1994-03-01), Munakata et al.

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