Laser printer with position registration enhancement

Details Laser printer with position registration enhancement Laser printer with position registration enhancement

1988-09-23

1990-01-09

Reynolds, Bruce A.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346 11, 358296, G01D 1514, G01D 900, H04N 121

Patent

active

048931357

ABSTRACT:
Endless web laser printer having enhanced copy registration. Compensation is made for the position of the laser beam along the scan line when the image scanning is to begin. The extra delay in starting the image scan is translated to an equal and extra delay for feeding the paper to the image transfer station. Up to one full line of misregistration can be corrected. Dividing the scan line into segments decreases the possible number of extra delay time quantities consistent with the perceivable improvement in registration tolerance.

REFERENCES:
patent: 4538905 (1985-09-01), Griego et al.
patent: 4591880 (1986-05-01), Mitsuka
patent: 4660077 (1987-04-01), Kawamura et al.
patent: 4695849 (1987-09-01), Dei
patent: 4712118 (1987-12-01), Seto et al.
patent: 4745490 (1988-05-01), Shimizu

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