Image forming apparatus
US7226152B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Sep 23, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/195
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An image forming apparatus in which ink depletion detection accuracy will not be deteriorated even if an air bubble is created in an ink supplying path. The image forming apparatus is provided with (a) an ink storage section for storing ink therein, (b) an ink supplying path for supplying, to a print head, the ink stored in the ink storage section, and (c) an electrode for detecting whether the ink is present or absent in the ink supplying path, an amount of the ink supplied into the ink supplying path being 1.0 cc or less per minute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.