B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.0218, 101
B41J 2/01 (2006.01) B41J 2/21 (2006.01) B41J 2/505 (2006.01) G01D 15/18 (2006.01) H04N 1/04 (2006.01)
Patent
CA 1323245
Dual Mode Ink Jet Printer Abstract In the embodiments of the invention described in the specification, a four-color ink jet printer in- cludes a transport mechanism for conveying a record medium in one direction and an ink jet head containing a black ink nozzle array (26) and a primary color ink nozzle array (29,30,31) for scanning the record medium in a transverse direction while projecting drops of ink onto the record medium. A control unit provides two printing speeds in which either high-quality or high-speed printing can be accomplished. For high- speed printing all of the nozzles of both arrays (26 and 29,30,31) are used, and for high-quality printing one-third (32) of the nozzles in the black ink array and all of the nozzles in the primary color ink nozzle array (29,30,31) are used and the record medium is transported at one-third the rate used for high-speed printing. In certain embodiments, the two arrays of nozzles (26 and 29,30,31) are disposed at different angles with respect to the scanning motion of the ink jet head so that the nozzles of the primary color array (29,30,31) are spaced in the direction of motion of the record medium by a greater distance than the nozzles of the black ink array (26). In other embodi- ments, the arrays are disposed at the same angle with respect to the scanning motion and the nozzles for the three primary colors may be alternated in the color nozzle array. (Fig. 1)
609900
Dimatix Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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