Image forming apparatus

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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Details

C347S041000, C358S504000

Reexamination Certificate

active

07021737

ABSTRACT:
An image forming apparatus which corrects a transfer amount of a recording material without a scanner is provided. A paper is transferred to a position in which the transfer amount is adjusted by an LF roller, and a plurality of test pattern images, each of which is composed of a first pattern image and a second pattern image, are printed. Then, the paper is transferred to a position in which the transfer amount is adjusted by an exit roller, and the aforementioned plurality of test pattern images are printed. The plurality of test pattern images differ from each other in the transfer amount between printings of the first pattern image and the second pattern image. A degree of error in the transfer amount of the respective rollers can be visually observed. Accordingly, by receiving an input based on the printed test pattern images, it is possible to correct the transfer amount of the respective rollers.

REFERENCES:
patent: 6304278 (2001-10-01), Coleman
patent: 6439684 (2002-08-01), Yoshimura et al.
patent: 6450606 (2002-09-01), Kato et al.
patent: 6769759 (2004-08-01), Yamasaki et al.
patent: 2002/0175966 (2002-11-01), Yoshimura et al.
patent: 5-096796 (1993-04-01), None
patent: 8-085242 (1996-04-01), None
patent: 11-020248 (1999-01-01), None
patent: 2000-153660 (2000-06-01), None
patent: 2001-001584 (2001-01-01), None
Extract Translation of the Notification of Reasons for Rejection of Japanese Patent Application No. 2002-285335.
Extract Translation of Publication of Unexamined Japanese Patent Application No. 2-1-001584.

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