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US 2011/0234711 A1Published application
White ink delivery
AssigneeHewlett-Packard Development Company, L.P.
InventorSemion Gengrinovich
Life of this patent
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Abstract
A method for white ink delivery includes circulating white ink through a white ink delivery system between successive print jobs; and in response to a time interval between two of the successive print jobs being greater than a threshold time interval, draining the white ink from the white ink delivery system.
Claims20
A method for white ink delivery, the method comprising:
- circulating white ink through a white ink delivery system between successive print jobs;
- and
- in response to a time interval between two of said successive print jobs being greater than a threshold time interval, draining said white ink from said white ink delivery system.
A system comprising:
- a control system comprising a processor and a memory;
- a white ink delivery system configured to apply said white ink to a substrate during a print job, said white ink delivery system comprising a circulation system configured to circulate white ink between successive print jobs;
- in which said control system is configured to cause said white ink to be drained from said white ink delivery system in response to a time interval between two of said successive print jobs being greater than a threshold time interval.
A printing apparatus for applying white ink onto a substrate, the apparatus comprising:
- a white ink delivery system, said white ink delivery system configured to:
- circulate white ink between successive print jobs;
- and
- in response to a time interval between two of said successive print jobs being greater than a threshold time interval, draining said white ink from said white ink delivery system.
1 more element
Dependencies are inferred from the claim text.