Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-05-03
2005-05-03
Meier, Stephen D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
06886904
ABSTRACT:
An adjustment value for adjusting a recording misalignment in the direction of main scanning is determined with high efficiency. The value is used when ink drops are ejected from nozzles to form dots on a print medium. The present invention entails determining adjustment values designed to reduce dot formation misalignments in the direction of main scanning during a printing process. A printing device equipped with a plurality of single-color nozzle groups for ejecting ink drops having mutually different colors is used to form dots while main scanning is performed. In the process, a first adjustment value is selected from a plurality of first possible adjustment values by means of a first misalignment verification pattern. In addition, a second misalignment verification pattern that is different from the first misalignment verification pattern is used to set a second adjustment value from a plurality of second possible adjustment values. The second possible adjustment values are selected from the vicinity of the first adjustment value.
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Do An H.
Meier Stephen D.
Seiko Epson Corporation
Sughrue & Mion, PLLC
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