Title:
INKJET PRINTING DEVICE
Document Type and Number:
Japanese Patent JP2015208973
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce a number of ink cartridge replacement work.SOLUTION: An ink residual amount calculation part 307 calculates an ink residual amount in an inkjet bottle 151 for every ink color, based on an ink discharge amount discharged from an inkjet head 110. A cleaning control part 308 makes a cleaning part 309 execute cleaning processing with a second cleaning period longer than a first cleaning period, when the ink residual amount is equal to or more than a second predetermined amount smaller than a first predetermined amount, and equal to or less than the first predetermined amount, for every ink color. The cleaning part 309 makes the inkjet head 110 discharge a predetermined and necessary amount of the ink for cleaning the nozzle group, with the first cleaning period or second cleaning period determined based on ink discharge by the inkjet head 110, thereby cleaning processing is executed for every ink color.
Inventors:
ISHIDA MARI
Application Number:
JP2014093686A
Publication Date:
November 24, 2015
Filing Date:
April 30, 2014
Export Citation:
Assignee:
RISO KAGAKU CORP
International Classes:
B41J2/165; B41J2/175; B41J2/21
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Shunichi Takahashi
Masakazu Ito