Patent Number: 6,254,218

Title: Color ink jet printer

Abstract: A color ink jet printer for forming a color image on a recording medium transported, by ejecting a plurality of colors of ink along a direction intersecting a transportation direction of the recording medium, includes a plurality of ink jet units corresponding to a plurality of colors of ink, each one of which has a plurality of ink jet nozzles arranged along the direction intersecting the recording medium transportation direction, wherein an ink jet nozzle arrangement density in the ink jet unit which uses an ink used most frequently in the plurality of ink jet units is set higher than the arrangement density of the ink jet nozzles of each of the remainder of the plurality of ink jet units.

Inventors: Suzuki; Hidenobu (Numazu, JP), Tsujimura; Yoshihiro (Shizuoka-ken, JP)

Assignee: Toshiba Tec Kabushiki Kaisha

International Classification: B41J 2/145 (20060101); B41J 2/155 (20060101); B41J 2/21 (20060101); B41J 002/21 (); B41J 002/145 (); B41J 002/15 (); B41J 002/155 ()

Expiration Date: 07/03/2018