Printing apparatus in which registration adjustment between a pl

Details Printing apparatus in which registration adjustment between a pl Printing apparatus in which registration adjustment between a pl

1997-08-01

1999-10-12

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347191, B41J 2345

Patent

active

059661496

ABSTRACT:
When a position deviation of more than 1/2 pitch of ejection port pitch is generated by a difference in thermal expansion between ejection ports of a low temperature line head and ejection ports of high temperature line head, a dummy data is inserted in part of ejection data arrangement, so that ejection data inherent in the arrangement is shifted by one ejection port unit to be assigned to other ejection ports This reduces position deviation between dots formed by individual heads according to the data to less than 1/2 pitch.

REFERENCES:
patent: 4721969 (1988-01-01), Asano
patent: 4977410 (1990-12-01), Onuki et al.
patent: 5528272 (1996-06-01), Quinn et al.

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