Ink jet printing apparatus

Details Ink jet printing apparatus Ink jet printing apparatus

B - Operations, Transporting

41

J

B41J 2/175 (2006.01) B41J 2/14 (2006.01) B41J 2/19 (2006.01)

Patent

CA 2049787

In an ink jet printer, a printhead assembly comprising a printhead and an ink reservoir is mounted on a scanning carriage for movement across a recording medium. During printing, droplets of ink are expelled from ink channels within the printhead and the channels are replenished with ink which is drawn in from the reservoir. The reservoir is connected to an ink source from which ink is supplied during printing and when the printhead assembly is being primed. A partition within the reservoir ensures that, during priming, air can be expelled from the reservoir through the ink channels, thereby avoiding the need for an air vent from the reservoir.

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