Ink-jet printer and method of controlling the same
US6213601A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Jan 22, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink-jet printer, having a print head for jetting ink, an ink supply tube connecting between an ink tank and the print head, an ink supply pump interposing in the ink supply tube, an ink return tube connecting between and the print head and the ink tank, an ink return pump interposing in the ink return tube, a controller for controlling the ink supply pump and the ink return pump to fill the print head with ink in the ink tank, the volume of ink supplied by the ink return pump is greater than the volume of ink returned by the ink return pump in filling mode. Thus a foreign matter in the ink-jet nozzles of the print head can be cleaned by flowing out a foreign matter in the ink-jet nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.