Head maintenance method, head maintenance device, and printer

Details Head maintenance method, head maintenance device, and printer Head maintenance method, head maintenance device, and printer

2006-10-24

2010-11-30

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07841692

ABSTRACT:
A head maintenance method for a printing head having ink nozzles capable of ejecting an ink liquid, the method includes: performing a cleaning operation by sucking the ink liquid from the ink nozzles; measuring an elapsed time from when the last cleaning operation is performed; and performing the next cleaning operation in response to a cutting operation for automatically cutting a paper which is printed by the printing head during a printing operation, if the elapsed time extends over a predetermined judgment time.

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