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1. (US20120224007) Liquid discharging apparatus and control method thereof

Office : United States of America
Application Number: 13410498 Application Date: 02.03.2012
Publication Number: 20120224007 Publication Date: 06.09.2012
Grant Number: 08596768 Grant Date: 03.12.2013
Publication Kind : B2
IPC:
B41J 2/175
B41J 2/19
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
17
characterised by ink handling
175
Ink supply systems
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
17
characterised by ink handling
19
for removing air bubbles
Applicants: Koike Kaoru
Seiko Epson Corporation
Kumagai Toshio
Inventors: Koike Kaoru
Kumagai Toshio
Agents: Workman Nydegger
Priority Data: 2011-047524 04.03.2011 JP
Title: (EN) Liquid discharging apparatus and control method thereof
Abstract: front page image
(EN)

When a printing head is filled with an ink, a circulating pump is controlled so that an ink equal to or greater than the entire volume of a circulating path circulates from a feeding path hole to a returning path hole via a printing head (in a forward direction), and after that, the circulating pump is controlled so that the ink equal to or greater than the entire volume of the circulating path circulates from the returning path hole to the feeding path hole via the printing head (in a reverse direction). By doing so, gas (bubbles) in the circulating path may be more securely discharged to a sub tank.


Also published as:
CN102653177