Printing apparatus, recording head cleaning method, control...

Details Printing apparatus, recording head cleaning method, control... Printing apparatus, recording head cleaning method, control...

2011-01-18

2011-01-18

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S022000

Reexamination Certificate

active

07871146

ABSTRACT:
The cleaning process best suited to the condition of an inkjet printer is selected and run, thereby removing nozzle clogging without wastefully consuming ink. The first time a cleaning switch7is operated a CL1cleaning process is run. If the cleaning switch7is pressed a second time and the print pass count is less than e.g., 400, a CL2cleaning process that uses more ink than the CL1process is used to clean the recording head, but if the print pass count is 400 or more, the CL1cleaning process is used. If the print pass count is less than 400 the third time the switch is operated, the CL2cleaning process is used, but the CL1cleaning process is used if the print pass count is 400 or more. If the cleaning switch7is operated four or more times and the print pass count is less than 400, a YCL cleaning process that consumes substantially no ink is used to clean the recording head, but if the print pass count is 400 or more, the CL1cleaning process is used.

REFERENCES:
patent: 0 525 988 (1993-02-01), None
patent: 06-206320 (1994-07-01), None
patent: 2000-141686 (2000-05-01), None
patent: 2001-199057 (2001-07-01), None
patent: 2003-131859 (2003-05-01), None
patent: 2003-300313 (2003-10-01), None

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