| US 7,556,340 B2 | ||
| Ink jet recording apparatus | ||
| Takaichiro Umeda, Nagoya (Japan); Hiroaki Yazawa, Nagoya (Japan); Hikaru Kaga, Nagoya (Japan); and Hisaki Sakurai, Nagoya (Japan) | ||
| Assigned to Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken (Japan) | ||
| Filed on May 31, 2006, as Appl. No. 11/421,309. | ||
| Claims priority of application No. 2005-159968 (JP), filed on May 31, 2005. | ||
| Prior Publication US 2006/0268051 A1, Nov. 30, 2006 | ||
| Int. Cl. B41J 2/165 (2006.01) | ||
| U.S. Cl. 347—29 [347/32; 347/33] | 15 Claims |
| 1. An ink jet recording apparatus comprising:
a plurality of ink tanks each for storing ink of each color;
a recording head provided with nozzles for discharging onto a recording medium the ink stored in said plurality of ink tanks;
a nozzle cap for sealing the surface of said recording head in which said nozzles are formed; and
a pressure unit for applying pressure to discharge the ink from said recording head into said nozzle cap, wherein said plurality
of ink tanks are classified into:
an ink tank group consisting of ink tanks of three colors of yellow, cyan, and magenta;
an ink tank group consisting of ink tanks of three colors of red, green, and blue; and
an ink tank group consisting of an ink tank of black, and wherein a plurality of said nozzle caps are provided in correspondence
to the groups of said classified ink tanks.
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