Ink jet recording apparatus having temperature control function

Details Ink jet recording apparatus having temperature control function Ink jet recording apparatus having temperature control function

1995-06-06

2000-10-31

Tran, Huan

Incremental printing of symbolic information

Ink jet

Controller

347 14, 347 17, 347 60, B41J 205

Patent

active

061391255

ABSTRACT:
An ink jet recording apparatus records by supplying heat energy according to a drive pulse to an ink to form a bubble based on film boiling and ejecting the ink from a recording head onto a recording medium based on formation of the bubble. The ink jet recording apparatus includes a driver for supplying a pre-driving pulse that does not cause ink ejection and a main driving pulse that causes the ink ejection with a rest period between the two pulses for ejection of one ink droplet, and a rest period controller for controlling the rest period within a range where an amount of the ink ejection increases in accordance with an increase of the rest period. Controlling the rest period controls an amount of the ink ejection, with the rest period based on a temperature of the recording head. Also, a temperature of the recording head is obtained by calculating the energy input to the recording head by the supplied driving pulses.

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