JPS55142372A - Developer scatter preventive device - Google Patents
Developer scatter preventive deviceInfo
- Publication number
- JPS55142372A JPS55142372A JP5054279A JP5054279A JPS55142372A JP S55142372 A JPS55142372 A JP S55142372A JP 5054279 A JP5054279 A JP 5054279A JP 5054279 A JP5054279 A JP 5054279A JP S55142372 A JPS55142372 A JP S55142372A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- magnetic pole
- developing device
- transfer
- guide
- 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
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To prevent scattering of toner, eliminate contamination, and re-use the recovered toner, by recovering the scattered developer outside the developing device into the developing device by utilizing the magnetic attractive force. CONSTITUTION:A developing device 3 has a developing magnetic pole N1 and scatter recovering magnetic pole S1, and a magnet 7 having a magnetic pole disposed at a proper place to convey the magnetic developing material T. A doctor blade 8 defines the thickness of toner T, and is positioned opposite to magnetic pole S2. A sleeve 9 envelops the magnet 8 and rotates in the direction of C to feed the toner and recovers the scattered toner. A container 10 has the bottom part 10' which serves as the entry guide of transfer, which pairs with entry guide 4' of transfer paper P. A guide 13 guides the transfer paper P entering from a pair of feeding rollers 11, 11' into the transfer guide. The scattered toner occurring in the transfer part is attracted in the direction of D by the magnetic pole S1 and is led into the developing device, without dispersing outside. Besides, this toner may be re-used in the development.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5054279A JPS55142372A (en) | 1979-04-23 | 1979-04-23 | Developer scatter preventive device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5054279A JPS55142372A (en) | 1979-04-23 | 1979-04-23 | Developer scatter preventive device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55142372A true JPS55142372A (en) | 1980-11-06 |
Family
ID=12861891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5054279A Pending JPS55142372A (en) | 1979-04-23 | 1979-04-23 | Developer scatter preventive device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55142372A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142675A (en) * | 1981-02-27 | 1982-09-03 | Ricoh Co Ltd | Photosensitive drum |
JPS57184951U (en) * | 1981-05-20 | 1982-11-24 | ||
JPH0217757U (en) * | 1988-07-19 | 1990-02-06 | ||
JPH0258252U (en) * | 1988-10-18 | 1990-04-26 | ||
JPH0339754U (en) * | 1989-08-26 | 1991-04-17 | ||
US5055876A (en) * | 1988-06-03 | 1991-10-08 | Fujitsu Limited | Image formation apparatus having a process cartridge acting as guidance for a medium |
-
1979
- 1979-04-23 JP JP5054279A patent/JPS55142372A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142675A (en) * | 1981-02-27 | 1982-09-03 | Ricoh Co Ltd | Photosensitive drum |
JPS57184951U (en) * | 1981-05-20 | 1982-11-24 | ||
JPH0142107Y2 (en) * | 1981-05-20 | 1989-12-11 | ||
US5055876A (en) * | 1988-06-03 | 1991-10-08 | Fujitsu Limited | Image formation apparatus having a process cartridge acting as guidance for a medium |
JPH0217757U (en) * | 1988-07-19 | 1990-02-06 | ||
JPH0258252U (en) * | 1988-10-18 | 1990-04-26 | ||
JPH0339754U (en) * | 1989-08-26 | 1991-04-17 |
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