Temperature control of ink-jet recording head using heat energy

Details Temperature control of ink-jet recording head using heat energy Temperature control of ink-jet recording head using heat energy

1997-07-16

1999-08-31

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 14, 347 17, 347 30, 347 35, B41J 2165

Patent

active

059460075

ABSTRACT:
According to this invention, upon execution of recording by ejecting an ink droplet from a recording head, a surrounding temperature sensor for measuring the surrounding temperature is provided to a main body side, and a change in temperature of the head is presumed from the past to the present time by calculation processing, so that optimal temperature control can be performed without arranging a head temperature sensor having a correlation with the head temperature. At this time, the ejection quantity can be stabilized by changing the pulse width of a driving signal on the basis of the presumed head temperature, and ejection can be stabilized by performing restoration processing.

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