Unclogging printer nozzles

Details Unclogging printer nozzles Unclogging printer nozzles

2008-04-22

2008-04-22

Nguyen, Lam S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S023000, C347S030000

Reexamination Certificate

active

11041326

ABSTRACT:
In one embodiment, a method for printing includes selecting a nozzle for printing a pixel, determining a time since the nozzle was last actuated, and, if the time since the nozzle was last actuated exceeds a threshold time, then, before actuating the nozzle to print the pixel, actuating the nozzle a number of actuations corresponding to the time since the nozzle was last actuated.

REFERENCES:
patent: 5659342 (1997-08-01), Lund et al.
patent: 5850236 (1998-12-01), Murai et al.
patent: 6293646 (2001-09-01), Beachnau
patent: 6575545 (2003-06-01), Vega et al.
patent: 799701 (1997-10-01), None
patent: 1151868 (2001-11-01), None
patent: 11192729 (1999-07-01), None
European Search Report for EP Patent App. No. 06 10 0645 , dated Aug. 9, 2006.

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