Printer and printing system
US9333759B2 · kind B2 · utility
0Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jul 31, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17589
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a system of a data processing apparatus coupled to a printer, the apparatus sends a status information transmission request to the printer and, in response, receives status information from the printer. The status information includes cartridge identification information written in a memory device contained in a cartridge, device identification information identifying the printer in which the cartridge is installed, and ink usage amount information for use by the printer in calculating an ink usage amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.