Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Patent
1999-02-19
2000-08-15
Brase, Sandra
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
358448, B41J 2385, G03G 1304
Patent
active
061044202
ABSTRACT:
After the digital copier has been assembled, a magnification error is calculated. The magnification error is a size ratio of a 100% copied image to an original image. The main CPU of the copier changes the rotational speed of the polygon-mirror driving motor to a new speed, in accordance with the magnification error. Further, the main CPU changes the speed of the main motor for the photosensitive drum in accordance with the new speed of the polygon-mirror driving motor. Therefore, the magnification of any copied image can be minutely adjusted by changing the rotational speed of the polygon-mirror and photosensitive dram.
REFERENCES:
patent: 4918542 (1990-04-01), Nagashima et al.
patent: 5093674 (1992-03-01), Storlie
patent: 5512927 (1996-04-01), Okamoto
patent: 5550571 (1996-08-01), Shoji
patent: 5708512 (1998-01-01), Ishizuka
Brase Sandra
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
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