Printhead Assembly Comprising Ink Reservoir Containing Cleaning Liquid
AssigneeSilverbrook Research Pty Ltd
InventorsVesa Karppinen, David William Jensen, Kia Silverbrook
Life of this patent
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Abstract
An inkjet printer comprising: (a) an inkjet printhead; (b) a plurality of reservoirs in fluid communication with nozzles in the printhead, at least one of the reservoirs being an ink reservoir containing printing ink, and at least one of the reservoirs being a cleaning reservoir containing a cleaning liquid for cleaning an ink ejection face of the printhead; (c) a pressure device for positively pressurizing the cleaning reservoir; (d) a conduit providing fluid communication between the cleaning reservoir and the printhead; and (e) a valve in the conduit for controlling a supply of cleaning liquid to the printhead.
Claims10
An inkjet printer comprising:
- (a) an inkjet printhead;
- (b) a plurality of reservoirs in fluid communication with nozzles in said printhead, at least one of said reservoirs being an ink reservoir containing a printing ink, and at least one of said reservoirs being a cleaning reservoir containing a cleaning liquid for cleaning an ink ejection face of said printhead;
- (c) a pressure device for positively pressurizing said cleaning reservoir;
- (d) a conduit providing fluid communication between said cleaning reservoir and said printhead;
- and
- (e) a valve in said conduit for controlling a supply of cleaning liquid to said printhead.
Dependencies are inferred from the claim text.