JPS649480A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPS649480A JPS649480A JP62165013A JP16501387A JPS649480A JP S649480 A JPS649480 A JP S649480A JP 62165013 A JP62165013 A JP 62165013A JP 16501387 A JP16501387 A JP 16501387A JP S649480 A JPS649480 A JP S649480A
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- image forming
- drum
- image
- developing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To prevent the adhesion of carrier to an electrostatic latent image carrier by detecting the generation of a trouble during the formation of an image and energizing a developing device moving means at the time of generating the trouble to move the developing device from an image forming position to a receding position. CONSTITUTION:The image forming device executes inversional development by means of a two-component developer consisting of toner and carrier and develops an electrostatic latent image carried on the surface of a photosensitive drum 1. When a jam detecting sensor 40 detects the generation of jam during the image formation, a driving system 43 for controlling the driving of the drum 1, a developing sleeve 12, etc., is stopped and a motor 28 is energized. Consequently, a cam plate 27 is rotated and the developing device 5 is moved from the image forming position to the receding position. When the device reaches the receding position, a detecting signal is outputted from a position detecting sensor 33b and the motor 28 is deenergized. Thereby, the carrier is not almost stuck to the surface of the drum 1 and the drum 1 or the blade of a cleaning device 8 can be prevented from damage due to the adhesion of carrier.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165013A JPS649480A (en) | 1987-06-30 | 1987-06-30 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165013A JPS649480A (en) | 1987-06-30 | 1987-06-30 | Image forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS649480A true JPS649480A (en) | 1989-01-12 |
Family
ID=15804182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62165013A Pending JPS649480A (en) | 1987-06-30 | 1987-06-30 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS649480A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6157794A (en) * | 1996-11-19 | 2000-12-05 | Canon Kabushiki Kaisha | System to reduce mixing of toner and magnetic carrier |
-
1987
- 1987-06-30 JP JP62165013A patent/JPS649480A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6157794A (en) * | 1996-11-19 | 2000-12-05 | Canon Kabushiki Kaisha | System to reduce mixing of toner and magnetic carrier |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4478508A (en) | Automatic continuous medium setting device | |
CA2285112A1 (en) | Electrophotographic image forming apparatus, process cartridge, developing device, developer supply container and measuring part therefor | |
GB1447397A (en) | Testing timing of operation of machine especially copyingmachines | |
EP1083464A3 (en) | Developing apparatus, process cartridge, feeding member and an elastic sheet | |
CA2105255A1 (en) | Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device | |
US4108545A (en) | Developer supply control system in a copier | |
CA2062230A1 (en) | Electrophotographic printing apparatus capable of printing images by electrophotographic processing and its start-up method | |
EP0203398A1 (en) | Image forming apparatus | |
JPS649480A (en) | Image forming device | |
KR890017638A (en) | Image forming apparatus and image forming method | |
JPS6157963A (en) | Electrophotographic device | |
US4141646A (en) | Electrophotography apparatus with downtime control circuitry | |
JP2737009B2 (en) | Image forming device | |
JPS649478A (en) | Image forming device | |
JP3155761B2 (en) | Image forming device | |
JPS6325351B2 (en) | ||
JPH01124885A (en) | Image formation for electrostatic recording device | |
JPS62124570A (en) | Image forming device | |
JP2535548B2 (en) | Image forming device | |
JPS62115474A (en) | Image forming device | |
JPH05173381A (en) | Image forming device | |
JPH05188830A (en) | Image forming device | |
JPH02137869A (en) | Method for driving image forming device | |
JPH07253692A (en) | Image forming device | |
JP2001083843A (en) | Image forming device |