Data printer

Details Data printer Data printer

1989-04-07

1990-01-23

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

346160, G01D 1500

Patent

active

048961736

ABSTRACT:
A first control mark pattern, extending continuously in the scan direction of dots written onto a photo sensitive drum in a printer and cut in pieces in the direction perpendicular to the scan direction, and composed of lines is formed at a predetermined position on the photosensitive drum. Similarly, a second control mark pattern composed of a pattern including components in the direction perpendicular to the scan direction is formed on a second predetermined position on the photosensitive drum. The print density is controlled so as to be a desired one in accordance with the first control mark pattern formed. The widths of lines printed in accordance with the second control mark pattern formed are controlled so as to be the same in both the scan direction and the direction perpendicular to the scan direction.

REFERENCES:
patent: 4283785 (1981-08-01), Miyauchi et al.
patent: 4768043 (1988-08-01), Saito et al.
"Essentials of Development and Application of Non-Impact Printer" Electronics Essentielsekies, No. 14, Aug. 15, 1985 pp. 127, 141, 155.

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