Device and method for regenerating a print head
AssigneeCanon Production Printing Holding B.V.
InventorsChristoph Rummelsberger, Florian Hitzlsperger, Ulrich Stöckle
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Abstract
Provided is a controller for regenerating a print head of an inkjet printing device. The controller is configured to convey ink out of the print head via the nozzle openings of one or more nozzles of the print head, and to subsequently convey said ink into the print head again, in order to efficiently and reliably remove deposits from the nozzle plate of the print head.
Claims20
A controller for regenerating a print head of an inkjet printing device comprising at least one nozzle, wherein a nozzle opening of the nozzle is arranged at a nozzle plate of the print head, the controller comprising at least one processor configured to, during a regeneration process to regenerate the print head:
- control the inkjet printing device to convey ink from a chamber of the nozzle, via the nozzle opening, to the nozzle plate, and cause the ink to remain on the nozzle plate for a dwell time;
- and
- control the inkjet printing device to, after the dwell time has elapsed, convey the ink back into the chamber of the nozzle via the nozzle opening.
A method for regenerating a print head of an inkjet printing device that comprises at least one nozzle, wherein a nozzle opening of the nozzle is arranged at a nozzle plate of the print head, the method comprising, during a regeneration process to regenerate the print head,
- conveying ink from a chamber of the nozzle, via the nozzle opening, to the nozzle plate, and causing the ink to remain on the nozzle plate for a dwell time;
- and
- after the dwell time has elapsed, conveying the ink back into the chamber of the nozzle via the nozzle opening.
Dependencies are inferred from the claim text.