Maintenance station for printhead with laminar ink flow...

Details Maintenance station for printhead with laminar ink flow... Maintenance station for printhead with laminar ink flow...

2008-03-17

2010-11-16

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S033000

Reexamination Certificate

active

07832828

ABSTRACT:
The invention relates to a maintenance station for an inkjet printhead assembly. The printhead assembly includes a carrier frame operatively supporting an ink supply manifold and a pagewidth printhead supplied with ink from said manifold. The station is moveable between a cleaning position and a printing position, and includes a drive motor, and a number of rollers of which at least one is operatively actuated by the drive motor. The station also includes a film wound in a loop around said rollers, so that actuation of the rollers by the motor produces a laminar ink flow in a cavity defined by the maintenance station and printhead assembly when in the cleaning position. This enables an ejection surface of the printhead to be cleaned without the film physically contacting said ejection surface.

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