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:
Feb. 11, 2025
Filed:
Sep. 07, 2022
Seiko Epson Corporation, Tokyo, JP;
Masahiro Owa, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A printing apparatus includes a printing head that includes a plurality of nozzles, each of which ejects an ink pushed out from a pressure chamber by driving of an actuator, a display unit, a detector that generates a residual vibration in the pressure chamber by imparting, to the actuator, a predetermined drive signal that prevents the nozzle from ejecting the ink, and, based on the residual vibration, performs, for each of the plurality of nozzles, defective nozzle detection processing of detecting a defective nozzle having ejection failure, and a display control unit that causes the display unit to display defective nozzle information including a position, in the printing head, of the defective nozzle detected by the detector.