Calibration technique for mis-directed inkjet printhead nozzles

Details Calibration technique for mis-directed inkjet printhead nozzles Calibration technique for mis-directed inkjet printhead nozzles

1996-09-25

1998-11-10

Hilten, John S.

Incremental printing of symbolic information

Ink jet

Controller

400 74, B41J 29393

Patent

active

058351086

ABSTRACT:
Method and apparatus for calibrating an inkjet printhead by printing separate test patterns from respective groups of nozzles on the same printhead, and then using a carriage-mounted optical sensor to scan the patterns to determine the relative locations of the ink drops from each group of nozzles.

REFERENCES:
patent: 5448269 (1995-09-01), Beauchamp et al.
patent: 5534895 (1996-07-01), Lindenfelser et al.
patent: 5600350 (1997-02-01), Cobbs et al.

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