Title:
DEVICE AND METHOD FOR PRINTING USING A PLURALITY OF NOZZLE GROUPS AND RECORDING MEDIUM CONTAINING PROGRAM FOR OPERATING THEM RECORDED THEREIN
Document Type and Number:
Japanese Patent JP3815031
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To form a printing image having high quality by using a print head having multiple dot forming elements and to perform interlaced printing even when a pitch of the dot forming elements is varied in the middle of arrangement thereof.
SOLUTION: A print head 2 comprises a plurality of nozzle groups 2a, 2b which are provided at a predetermined distance (pn) therebetween in a sub-scanning direction. A plurality of nozzles of each of the nozzle groups 2a, 2b are arranged in the sub- scanning direction with a nozzle pitch (k). In a first printing method wherein each of the nozzle groups records different raster, the distance (pn) between groups is set to be a value different from the pitch (k) and the number N of all of the nozzles, the number M of nozzle groups, the number of times S of the scanning and the pitch (k) are determined such that each of N/(M.S) and k/M is a prime number with the other. Then, the sub-scanning with a constant pitch of N/S dot is executed. In a second printing method wherein each raster is recorded by the plurality of nozzle groups, the values N, M, S and k are determined such that each of N/(M.S) and k is a prime number with other, then the sub-scanning with a constant pitch of N/(M.S) dot is executed.
Inventors:
Munehide Kanaya
Application Number:
JP6939698A
Publication Date:
August 30, 2006
Filing Date:
March 04, 1998
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B41J2/01; B41J2/13; B41J19/76; (IPC1-7): B41J2/01; B41J2/13; B41J19/76
Domestic Patent References:
| JP5155037A | ||||
| JP10109442A | ||||
| JP10235906A |
Attorney, Agent or Firm:
Takashi Shimoide
Takao Igarashi
Hiroshi Ichikawa
Takao Igarashi
Hiroshi Ichikawa