The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
Aug. 21, 2023
Applicant:
Screen Holdings Co., Ltd., Kyoto, JP;
Inventor:
Hideaki Onishi, Kyoto, JP;
Assignee:
SCREEN HOLDINGS CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 25/34 (2006.01); B41J 2/175 (2006.01); B41J 2/18 (2006.01); B41J 2/185 (2006.01);
U.S. Cl.
CPC ...
B41J 25/34 (2013.01); B41J 2/175 (2013.01); B41J 2/1752 (2013.01); B41J 2/17543 (2013.01); B41J 2/17566 (2013.01); B41J 2/18 (2013.01); B41J 2/185 (2013.01);
Abstract
The head replacement method includes: a pipe connection step of performing, by a user, pipe connection of a new head; an ink circulation start step of starting circulation of ink in a circulation flow path; and a connection state determination step of determined, based on an ink liquid level position representing a height of an ink liquid level in at least one of a collection tank and a supply tank, whether a pipe connection, including a connection between an ink discharge pipe and a collection branch pipe and a connection between an ink inflow pipe and a supply branch pipe, is properly made.