Image forming apparatus having a photosensitive drum rotatable a

Details Image forming apparatus having a photosensitive drum rotatable a Image forming apparatus having a photosensitive drum rotatable a

1993-06-18

1996-04-30

Wong, Peter S.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347139, 347248, G01D 1514

Patent

active

055129277

ABSTRACT:
An image forming apparatus which forms on a recording paper a visible image in accordance with image data, the forming being performed by using an electrophotographic method, and the apparatus being able to reduce a total recording time spent for recording one page as compared to the present technology. The image forming apparatus comprises a processing unit, comprising a photosensitive drum on which a latent image is formed while the drum is being rotated at a predetermined rotational speed, for processing the image data so as to form the visible image, a conveying unit for conveying the recording paper to/from the processing unit, a driving unit for driving the photosensitive drum and the conveying unit, and a controlling unit for controlling the driving unit so that the rotational speed of the photosensitive drum is changed based on a length of the visible image being formed on said recording paper. A processing time spent on a blank part of the recording paper being reduced by effecting an increase in the rotational speed of the photosensitive drum.

REFERENCES:
patent: 4578689 (1986-03-01), Spencer et al.
patent: 5040075 (1991-08-01), Takayamagi
patent: 5051780 (1991-09-01), Stelter et al.
patent: 5095370 (1992-03-01), Takada et al.
patent: 5247332 (1993-09-01), Taniguchi et al.
patent: 5442382 (1995-08-01), Pfeuffer
patent: 5457483 (1995-10-01), Oikawa

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