Optimized servicing that adapts preventative and corrective...

Details Optimized servicing that adapts preventative and corrective... Optimized servicing that adapts preventative and corrective...

2005-05-24

2005-05-24

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S035000, C347S036000, C347S019000, C347S030000

Reexamination Certificate

active

06896350

ABSTRACT:
A method for determining service criteria for a printhead in a printer includes receiving an indication that service is needed, determining a calculated age of the printhead, and selecting a service procedure based on the determined calculated age. The selected service procedure has an impact on the long term life of the printhead that is proportional to the calculated age. The calculated age may be classified as a beginning of life phase, a middle of life phase or a maturity phase, and the service procedures may be selected such that the service procedure for the beginning of life phase has a low impact on the printhead's long term life, the service procedure for the middle of life phase has a moderate impact on the printhead's long term life, and the service procedure for the maturity phase has a severe impact on the printhead's long term life.

REFERENCES:
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patent: 6161913 (2000-12-01), Childers et al.
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patent: 6361138 (2002-03-01), Seino et al.
patent: 6431680 (2002-08-01), Shinada
patent: 6536865 (2003-03-01), Sarmast
patent: 034935 (2000-09-01), None

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