Laser printing apparatus having a multiple formatted output

Details Laser printing apparatus having a multiple formatted output Laser printing apparatus having a multiple formatted output

1985-04-02

1986-12-30

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346 11, 350 68, 355 55, G01D 942, G01D 900, G02B 2608, G03B 2752

Patent

active

046332723

ABSTRACT:
A multi-format laser printer is disclosed which includes a rotating polygon having mirror facets that line scan a beam of gaussian laser light across a photosensitive member. The printer includes first and second beam shaping optical systems. Each optical system is effective when inserted into the beam path for forming a different length line scan on a photosensitive member to produce different sized prints. Each optical system includes a cylindrical mirror to provide for pyramidal error correction and optical elements preceding the polygon to anamorphically shape the beam.

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patent: 4379938 (1983-04-01), Fan et al.
patent: 4383755 (1983-05-01), Fedder et al.

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