Printer, cartridge, and medium storing program to be installed in printer
US11619899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2021 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | May 27, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17573
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printer includes: an installation case to which a cartridge having a first memory is installed, a printing unit which performs printing by using a print material supplied from the cartridge, a sensor which outputs a detection value according to an amount of the print material stored in the cartridge, a cartridge interface communicable with the first memory, a second memory, and a controller. The first memory stores cartridge information including: cartridge identification information and residual amount information according to the amount of the print material stored in the cartridge. The controller acquires the cartridge identification information and the residual amount information from the first memory, stores history information in the second memory, and updates the residual amount information of the history information based on information according to the amount of the print material discharged by the printing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.