Printhead maintenance assembly comprising maintenance roller...

Details Printhead maintenance assembly comprising maintenance roller... Printhead maintenance assembly comprising maintenance roller...

2006-07-10

2009-12-29

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07637588

ABSTRACT:
A printhead maintenance assembly for maintaining a printhead in an operable condition is provided. The maintenance assembly comprises: (a) a maintenance roller having an elastically deformable contact surface for sealing engagement with an ink ejection face of the printhead; (b) an engagement mechanism for moving the roller between a first position in which the contact surface is sealingly engaged with the face, and a second position in which the contact surface is disengaged from the face; and (c) a cleaning mechanism for cleaning the contact surface. The cleaning mechanism comprises a motor for rotating the maintenance roller, and an ink removal system for removing ink from the contact surface when the maintenance roller is rotated.

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