Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1995-07-20
2000-07-18
Le, N.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 15, 347 43, B41J 221, B41J 2205, B41J 2145, B41J 215
Patent
active
060896957
ABSTRACT:
A recording apparatus is to perform complementary recording in order to eliminate the white streak caused by recording elements becoming incapable of recording while recording an image. Particularly, in an ink jet recording method for recording an image by discharging ink from nozzles, the white streak caused by nozzles becoming incapable of discharging ink can be eliminated by the performance of a complementary, recording in accordance with the present invention.
Preceding printing, abnormal nozzles are detected, and then, data related to such abnormal nozzles are removed. In accordance with such data, one scan printing is performed. Preceding the returning operation of the printing head subsequent to the one scan, a sub-scanning feed is performed so that normal nozzles are positioned in a location corresponding to the white streak appearing in the one scan printing. In this way, while returning the printing head, the printing is performed in accordance with such data related to the abnormal nozzles detected at the time of one scan, hence executing a complementary recording appropriately.
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Miyake Hiroyuki
Takagi Eiichi
Canon Kabushiki Kaisha
Le N.
Nguyen Thinh
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