ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,246, issued on June 10, was assigned to Canon K.K. (Tokyo).
"Inkjet printer, liquid discharge apparatus, and control method thereof" was invented by Ayuko Ishii (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet printer includes a printer head, two ink tanks containing inks of the same color, a storage unit and a control unit. Each ink tank is configured to be attachable/detachable to/from a printer main body, and the control unit causes the storage unit to store identification information of each ink tank as first information, selects one ink tank and sets it as an active tank that supplies ink to the printer head, causes the...