Printhead de-priming
US7296881B2 · kind B2 · utility
13Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2005 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Jan 6, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A valve mechanism and a method for preparing an inkjet print cartridge and printer for inactivity is herein disclosed. Pressurized fluid is introduced to a standpipe volume to create a pressure differential that forces ink within the standpipe into an ink reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.