Image forming apparatus having detection unit for detecting presence/absence of process cartridge
US5909603A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1997 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Jul 25, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1892
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus including a process cartridge detachably attached to a main body the apparatus, the process cartridge having an image bearing member, a processor device acting on the image bearing member, and, storage device for electrically connecting the main body to the process cartridge through a connector, biasing device for biasing the process cartridge in a connecting direction of the connector, and presence/absence detection device for detecting whether the process cartridge is mounted onto the main body, the detection device detecting the presence/absence of the process cartridge after the biasing device operates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.