Ink jet recording apparatus with cleaning means that cleans ligh

Details Ink jet recording apparatus with cleaning means that cleans ligh Ink jet recording apparatus with cleaning means that cleans ligh

1992-01-24

1993-01-26

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2165

Patent

active

051825821

ABSTRACT:
An ink jet recording apparatus has plural ink discharge portions, in corresponding recording heads, for discharging different color inks. The ink discharge portions are arranged with a discharge portion for relatively light ink always followed by a discharge portion for relatively dark ink (a given ink being lighter than another ink if the color of a mixture of those two inks is closer to the color of the other ink than to the color of the given ink). A carriage for scanning the recording heads causes a retractable cleaning member and the ink discharge portions to move relative to each other in a single direction so that the ink discharge portions are cleaned only in the order of lighter to darker inks. A second cleaning member is disposed at a position opposed to the first cleaning member to clean the first cleaning member. The second cleaning member includes an ink absorbing member and a plate-like member abutting the ink absorbing member and having an opening therein for causing ink droplets adhered to the plate-like member to be drawn into the ink absorbing member by capillary action.

REFERENCES:
patent: 4320406 (1982-03-01), Heinzl
patent: 4511907 (1985-04-01), Fukuchi et al.
patent: 4635078 (1987-01-01), Sakurada
patent: 4675696 (1987-06-01), Suzuki
patent: 4745414 (1988-05-01), Okamura
Nozzle Guard and Maintenance Station for Drop-On Demand Printheads; IBM Technical Disclosure Bulletin, vol. 27, No. 12, May 1985, pp. 6965-6967.

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