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US 7,401,887 B2Granted
Method of maintaining a printhead using air blast cleaning
AssigneeSilverbrook Research Pty Ltd
InventorsVesa Karppinen, Kia Silverbrook, David William Jensen
Life of this patent
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Abstract
A method of maintaining a printhead in an operable condition is provided. The method comprises the steps of: (a) flooding an ink ejection face of the printhead with ink; and (b) removing the ink by blasting air across the face.
Claims17
A method of maintaining a printhead in an operable condition, said method comprising the steps of:
- (a) flooding an ink ejection face of said printhead with ink by generating a vacuum above said face;
- and
- (b) removing said ink by blasting air across said face,
- wherein air is blasted through a blast channel adjacent said face by releasing said vacuum to atmosphere.
1 more element
Dependencies are inferred from the claim text.