Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-05-27
2008-11-11
Vo, Anh T. N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
07448714
ABSTRACT:
An ink jet printer is provided with an ink jet head, a recovery device, a timer, and a controller. The ink jet head discharges ink. The recovery device executes a recovery action to recover an ink discharging ability of the ink jet head. The timer measures time since a last recovery action of the recovery device. The controller selects an interval based on a printing history of the ink jet printer and controls the recovery device to execute the recovery action when the time measured by the timer becomes equal to the selected interval. The recovery action is performed at an appropriate timing.
REFERENCES:
patent: 5572242 (1996-11-01), Fujii et al.
patent: 5793388 (1998-08-01), Martinson et al.
patent: 5896143 (1999-04-01), Matsui et al.
patent: 6398336 (2002-06-01), Yoda et al.
patent: 2003182052 (2003-07-01), None
Banner & Witcoff , Ltd.
Brother Kogyo Kabushiki Kaisha
Vo Anh T. N.
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