Ink-jet printing method and apparatus, and method and apparatus

Details Ink-jet printing method and apparatus, and method and apparatus Ink-jet printing method and apparatus, and method and apparatus

1996-09-05

1998-12-08

Bennett, Christopher A.

Incremental printing of symbolic information

Ink jet

Controller

347105, 347 15, 347 43, B41J 202

Patent

active

058477233

ABSTRACT:
This invention has as its object to provide an ink-jet printing method which make uniform the ejection amounts of nozzles with high precision when a printing operation is performed using only some of a plurality of ejection nozzles. To achieve this object, according to this invention, in an ink-jet printing method for dividing all nozzles of an ink-jet head having a plurality of ink ejection nozzles into a plurality of nozzle groups each including nozzles separated by a predetermined number of nozzles, and performing a printing operation by switching the plurality of nozzle groups as needed, the printing operation is performed while variations in ejection amount of the nozzles are made uniform for each nozzle group.

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