Printing apparatus and printing method

Details Printing apparatus and printing method Printing apparatus and printing method

2007-03-20

2007-03-20

Shah, Manish S. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000

Reexamination Certificate

active

10943012

ABSTRACT:
A printing apparatus and printing method can realize high-quality printing without degrading the quality of a printed image even when a nozzle restriction function is adopted in addition to a discharge failure complement function. In a printing apparatus using an inkjet printhead having a plurality of nozzles, whether the position of an ink discharge failure nozzle exists at or near the end of a nozzle area which is still usable regardless of the use restriction on the nozzles is detected. The use of a nozzle for complementary printing executed with a nozzle positioned near the ink discharge failure nozzle is controlled in accordance with the detection result.

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