Maintenance method and maintenance apparatus for ink jet head

Details Maintenance method and maintenance apparatus for ink jet head Maintenance method and maintenance apparatus for ink jet head

2006-05-16

2006-05-16

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000

Reexamination Certificate

active

07044579

ABSTRACT:
A maintenance apparatus is used for maintaining an ink jet head which ejects ink supplied via an ink supply path, as ink droplets from a plurality of orifices arranged in an orifice plate. The apparatus comprises a pressure control section which controls the pressure in the ink supply path against the atmospheric pressure applied to a surface of the ink to push ink out of each orifice and then align the surface of the ink to a surface of the orifice plate, and an ink suction section which sucks ink near each orifice in a state where the ink surface is approximately aligned to the surface of the orifice plate by the pressure control section.

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