Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2008-07-22
2008-07-22
Hsieh, Shih-Wen (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S029000, C347S030000, C347S032000
Reexamination Certificate
active
07401888
ABSTRACT:
A method of maintaining a printhead in an operable condition is provided. The method comprises the steps of: (i) providing a printhead maintenance station comprising a capper having a constriction member, a vacuum system in fluid communication with the capper, an air inlet valve in fluid communication with the capper, and an engagement; (ii) moving the capper into a first position such that the capper is sealingly engaged around the printhead and the constriction member is spaced apart from the face, thereby defining a blast channel; (iii) generating a vacuum over the face using the vacuum system, thereby purging ink from printhead nozzles onto the face; and (iv) opening the air inlet valve, thereby blasting air through the blast channel and removing ink from the face.
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Karppinen Vesa
Silverbrook Kia
Hsieh Shih-Wen
Silverbrook Research Pty Ltd
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