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Patent Searching and Data


Title:
INKJET RECORDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/169528
Kind Code:
A1
Abstract:
Provided is an inkjet recording device capable of supplying ink to a head while responding to abnormalities in the ink storage level with more appropriate operation efficiency. The present invention is provided with: an inkjet head 211; a main tank 31; a sub-tank 251 for storing supply ink from the main tank 31; a supply pump 32 for sending ink from the main tank 31 to the sub-tank 251; a liquid delivery pump 253 for sending ink from the sub-tank 251 to the inkjet head 211; a reference sensor 251a, maximum sensor 251c, and minimum sensor 251b for determining whether ink of a prescribed reference storage amount, maximum storage amount, and minimum storage amount, respectively, are stored in the sub-tank 251; and a control unit 40 for determining whether to operate the supply pump 32 in accordance with the detection result of the reference sensor 251a, and performing a prescribed abnormality response operation in accordance with the detection results of the maximum sensor 251c and the minimum sensor 251b.

Inventors:
AKITA HIROSHI (JP)
MITSUHASHI TAKU (JP)
AOKI TETSUSHI (JP)
MORIKAWA OSAMU (JP)
MURAMATSU YASUHIKO (JP)
YAMAZAKI TAKESHI (JP)
Application Number:
PCT/JP2017/008674
Publication Date:
October 05, 2017
Filing Date:
March 06, 2017
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B41J2/175; B41J2/18; B41J29/46; B65H7/20
Domestic Patent References:
WO2015098220A12015-07-02
Foreign References:
JP2011201176A2011-10-13
JP2005219376A2005-08-18
JPH1142795A1999-02-16
JP2000318184A2000-11-21
JP2006198969A2006-08-03
US20110279495A12011-11-17
Other References:
See also references of EP 3437884A4
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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