Method and apparatus for controlling the amount of ink and the life of the printhead in an ink-jet recording apparatus
US6476926B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/324
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink-jet recording apparatus, using an ink-jet head for ejecting ink supplied from an ink tank for storing ink and performing recording by ejecting ink from the ink-jet head based on recording data, the ink-jet recording apparatus performing recording by receiving the recording data transferred from a host through a signal line in a state that the ink-jet recording apparatus is connected to the host by the signal line. The apparatus obtains information as to a remaining amount of ink stored in an ink tank and a used amount of the ink-jet head, and stores the information so-obtained. A controller processes recording data transferred from the host and controls recording by the ink-jet head. According to one aspect, the controller transfers information stored in the memory to the host through the signal line according to a command input through the signal line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.