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. 07, 2023
Filed:
Dec. 06, 2021
Seiko Epson Corporation, Tokyo, JP;
Tomoyoshi Hirabayashi, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A printing device to which a predetermined flat-rate usage fee is applied regardless of the number of times a cartridge is replaced includes an ejection head having a nozzle capable of ejecting a liquid stored in each of a plurality of cartridges, and a controller, wherein the controller includes a cleaning execution unit that executes a cleaning process and wherein the cleaning process includes a determination process of determining the presence or absence of a specific cartridge, among a plurality of cartridges, whose liquid remaining amount is equal to or greater than a reference remaining amount before performing the cleaning operation, and whose liquid remaining amount is expected to be less than the reference remaining amount when the cleaning operation is executed, and a setting process of setting the specific cartridge as a cartridge to be replaced before executing the cleaning operation.