Image forming apparatus

Details Image forming apparatus Image forming apparatus

2008-06-10

2008-06-10

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C358S538000

Reexamination Certificate

active

07386242

ABSTRACT:
An image forming apparatus of the present invention predicts the occurrence of an image elongation, in other words, predicts that an image transferred is lengthened on a sheet due to slipping of the sheet with respect to a photoreceptor at a transfer nip portion. If the occurrence of the image elongation is predicted, the amount of a rear edge portion to be deleted from an electrostatic latent image is obtained on the basis of a sheet rear edge void setting change table, the amount of the rear edge portion to be deleted is added to the default amount of a rear edge void, a portion corresponding to the rear edge portion of an image of image information is deleted, and a printing process is carried out. In this way, even if a slip phenomenon occurs, in other words, the sheet slips with respect to the photoreceptor, it is possible to surely secure a blank space at a rear edge portion of the sheet.

REFERENCES:
patent: 2006/0152743 (2006-07-01), Yoshida
patent: 2006/0159498 (2006-07-01), Takiguchi et al.
patent: 2006/0182477 (2006-08-01), Takiguchi et al.
patent: 03-101769 (1991-04-01), None
patent: 09-068874 (1997-03-01), None
patent: 11-157123 (1999-06-01), None
patent: 2004-219907 (2004-08-01), None

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