Ink jet printing apparatus and method of controlling...

Details Ink jet printing apparatus and method of controlling... Ink jet printing apparatus and method of controlling...

2005-10-25

2005-10-25

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S017000, C347S019000, C347S060000

Reexamination Certificate

active

06957880

ABSTRACT:
The present invention relates to an ink jet printing apparatus which sufficiently heats a head even in a low-temperature environment, which enables a proper image to be printed by stably ejecting ink, and which can be inexpensively and simply constructed. According to the present invention, if the detected temperature of a printhead is lower than a first heating threshold temperature, a heating mode in which the printhead can be heated is set before a printing operation. Further, when the heating mode is set and the detected temperature of the printhead is lower than a second heating threshold temperature, a heating unit heats the printhead. Consequently, even in a low-temperature environment, the heating operation keeps ink in a desired condition suitable for printing.

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