Systems and methods for automatic print alignment
AssigneeZink Imaging, Inc.
InventorsDana F. Schuh, James Peter Zelten, Suhail S. Saquib
Life of this patent
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Abstract
The present application is directed to systems and methods for print alignment by a continuous feed printer. A sensor of a printer detects a first line of a pattern on a non-printing side of a printing medium, the pattern comprising two non-parallel lines separated by a predetermined distance at a predetermined position of the printing medium. The printer advances the printing medium a first distance, and the sensor detects a second line of the pattern. The printer identifies a horizontal offset of the printing medium from an expected location of the predetermined position proportional to the difference between the first distance and the predetermined distance.
Claims22
A method for print alignment by a continuous feed printer, comprising:
- detecting, by a sensor of a printer, a first line of a pattern on a non-printing side of a printing medium, the pattern comprising two non-parallel lines separated by a predetermined distance at a predetermined position of the printing medium;
- advancing, by the printer, the printing medium a first distance;
- detecting, by the sensor, a second line of the pattern;
- and
- identifying, by the printer, a horizontal offset of the printing medium from an expected location of the predetermined position proportional to the difference between the first distance and the predetermined distance.
A system for print alignment by a continuous feed printer, comprising:
- a continuous feed printer comprising a sensor placed to detect a pattern on a non-printing side of the printing medium, the pattern comprising two non-parallel lines separated by a predetermined distance at a predetermined position of the printing medium, and a print engine configured for:
- detecting, via the sensor, a first line of the pattern,
- advancing the printing medium a first distance,
- detecting, via the sensor, a second line of the pattern, and
- identifying a horizontal offset of the printing medium from an expected location of the predetermined position proportional to the difference between the first distance and the predetermined distance.
Dependencies are inferred from the claim text.