Cleaning of ink jet printhead surface responsive to an optically

Details Cleaning of ink jet printhead surface responsive to an optically Cleaning of ink jet printhead surface responsive to an optically

1997-07-18

2000-05-02

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 33, B41J 2165

Patent

active

060563877

ABSTRACT:
A cleaning method for an ink jet recording apparatus includes a first cleaning step and a second cleaning step. In the first cleaning step, an ink discharge port surface of the apparatus is cleaned in accordance with a degree of reflection of the surface, where the reflection rate is detected by an optical sensor included in the recording apparatus. In the second cleaning step, a cleaning of the surface which is different from the first cleaning is performed in accordance with an output of the optical sensor.

REFERENCES:
patent: 4951066 (1990-08-01), Terasawa et al.
patent: 4970534 (1990-11-01), Terasawa et al.
patent: 5182582 (1993-01-01), Okamura
patent: 5298926 (1994-03-01), Fukushima et al.
patent: 5355158 (1994-10-01), Inada et al.

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