Laser beam printer

Details Laser beam printer Laser beam printer

1981-10-09

1984-08-21

Tarcza, Thomas H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346108, G01D 1514

Patent

active

044673345

ABSTRACT:
A laser beam printer comprises a single scanner deflecting a plurality of laser beams for the purpose of scanning, a laser beam position detector detecting the position of one of the deflected laser beams, and a plurality of delay circuits determining the recording starting timing of the plural laser beams in response to the output signal from the laser beam position detector. The surface of a photosensitive drum is scanned with the plural laser beams to sequentially form a plurality of electrostatic latent images corresponding to a plurality of predetermined colors respectively, and the latent images are sequentially developed with a plurality of color toners during one rotation of the photosensitive drum. The color toner images are simultaneously transferred onto a recording sheet to obtain a record printed in plural colors.

REFERENCES:
patent: 3780214 (1973-12-01), Bestenreiner et al.
patent: 3800302 (1974-03-01), Carreira
patent: 4046471 (1977-09-01), Brauham et al.
patent: 4060323 (1977-11-01), Hirayama et al.
patent: 4189224 (1980-02-01), Sakai
patent: 4205322 (1980-05-01), Tsuzuki et al.

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