Ink-jet recording apparatus with recovery at controlled time int

Details Ink-jet recording apparatus with recovery at controlled time int Ink-jet recording apparatus with recovery at controlled time int

1995-07-27

1999-05-04

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 30, 347 35, B41J 2165

Patent

active

059008890

ABSTRACT:
An ink-jet recording apparatus using a detachable ink-jet recording head for ejecting ink and a detachable ink container for containing ink to be supplied to the recording head includes: a recovery device for recovering a condition for ejecting ink for the ink-jet recording head; a detection device for detecting a replacement of the ink container or a refilling thereof with ink; a counting device for counting the number of times N that recovery is executed by the recovery device; a measurement device for measuring a period of time elapsing between the time t0 at which last ink ejection was finished and the time at which ink ejection is newly performed; and a control device for controlling the recovery device according to detection result by the detection device, counting result by the counting device and measurement result by the measurement device. A recovery method for an ink-jet recording apparatus includes: a detection step for detecting a replacement of an ink container or a refilling thereof with ink; and a recovery step for recovering the ink-jet recording head at a relatively short interval directly after detection in the detection step as compared to the subsequent recovery intervals, which gradually increase until next detection.

REFERENCES:
patent: 5245362 (1993-09-01), Iwata et al.
patent: 5572242 (1996-11-01), Fujii et al.
patent: 5592200 (1997-01-01), Kaneko

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