Method of cleaning electrostatic printhead
US9662888B2 · kind B2 · utility
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16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 24, 2014 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Sep 24, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/16517
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of cleaning an electrostatic printhead which has one or more ejection tips from which, in use, ink is ejected, the method comprising: stopping a prior flow of ink to a region around the ejection tip(s) for, in use, printing; causing a pressure differential to occur at the tip region thereby causing the ink meniscus to retreat from the tip; and passing a rinse into the tip region to clean the tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.