Printing method and printing apparatus using ink and treatment l

Details Printing method and printing apparatus using ink and treatment l Printing method and printing apparatus using ink and treatment l

1997-12-05

2000-11-14

Grimley, Arthur T.

Incremental printing of symbolic information

Ink jet

Medium and processing means

B41J 201

Patent

active

06145978&

ABSTRACT:
In the present invention, upon printing of an image on a printing medium by ejecting an ink for a treatment liquid ejected on the printing medium, by scanning the printing medium, a number of scan for the same region of the printing medium is judged, and ejection from a printing head is performed by variably setting the ejection amount of the treatment liquid in one scan by varying ratio of dots to be ejected versus all dots on the printing medium. Thus, deposition of mist or rebounded droplets on an ejection surface of an ink ejecting portion of the printing head can be avoided. By the present invention, pollution of the ejection surface of the printing head is avoided and thus reliability of ejection of the printing head is maintained.

REFERENCES:
patent: 5898443 (1999-04-01), Yoshino et al.

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