JPS6476074A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPS6476074A JPS6476074A JP23333787A JP23333787A JPS6476074A JP S6476074 A JPS6476074 A JP S6476074A JP 23333787 A JP23333787 A JP 23333787A JP 23333787 A JP23333787 A JP 23333787A JP S6476074 A JPS6476074 A JP S6476074A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- magnetic toner
- image
- cleaning device
- forming
- 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.)
- Granted
Links
Landscapes
- Cleaning In Electrography (AREA)
- Color Electrophotography (AREA)
Abstract
PURPOSE:To prevent the stain of an image forming device by forcedly supplying magnetic toner to a cleaning device when non-magnetic toner is used in case of forming an image. CONSTITUTION:When the non-magnetic toner is used in case of forming the image, the magnetic toner is forcedly supplied to the magnet roller 28 of the cleaning device 11. Namely, when the non-magnetic toner, for example, red toner, is used in order to form the image, black toner (magnetic toner) is developed in the non-image area of a photosensitive drum 1 and, moreover, it is developed on the photosensitive body 1 at the time of post-rotation stage thereof corresponding to the position where the red toner is used and the image information quantity, so that the toner is supplied to the magnet roller 28 of the cleaning device 11 without receiving a transfer action. Thus, there is no possibility that the inside of the device is stained caused by the scatter and the tear dropping, etc., of the non-magnetic toner.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62233337A JPH0673040B2 (en) | 1987-09-17 | 1987-09-17 | Image forming device |
US07/405,577 US5027161A (en) | 1987-09-17 | 1989-09-08 | Image forming apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62233337A JPH0673040B2 (en) | 1987-09-17 | 1987-09-17 | Image forming device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6476074A true JPS6476074A (en) | 1989-03-22 |
JPH0673040B2 JPH0673040B2 (en) | 1994-09-14 |
Family
ID=16953567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62233337A Expired - Fee Related JPH0673040B2 (en) | 1987-09-17 | 1987-09-17 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0673040B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0310263A (en) * | 1989-06-07 | 1991-01-17 | Canon Inc | Image forming method |
US5583625A (en) * | 1993-11-11 | 1996-12-10 | Ricoh Company, Ltd. | Device for cleaning a photoconductive element included in an image forming apparatus |
US5671461A (en) * | 1994-10-21 | 1997-09-23 | Ricoh Company, Ltd. | Toner cartridge avoiding spillage of toners |
US5697038A (en) * | 1993-01-12 | 1997-12-09 | Ricoh Company, Ltd. | Cleaner and toner magazine for electrophotographic apparatus |
US5734952A (en) * | 1995-02-16 | 1998-03-31 | Ricoh Company, Ltd. | Developing device for an image forming apparatus and toner cartridge for replenishing a fresh toner to the developing device |
-
1987
- 1987-09-17 JP JP62233337A patent/JPH0673040B2/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0310263A (en) * | 1989-06-07 | 1991-01-17 | Canon Inc | Image forming method |
US5697038A (en) * | 1993-01-12 | 1997-12-09 | Ricoh Company, Ltd. | Cleaner and toner magazine for electrophotographic apparatus |
US5873021A (en) * | 1993-01-12 | 1999-02-16 | Ricoh Company, Ltd. | Cleaner and toner magazine for electrophotographic apparatus |
US6148171A (en) * | 1993-01-12 | 2000-11-14 | Ricoh Company, Ltd. | Cleaning device for cleaning residual toner from a photoconductive element |
US5583625A (en) * | 1993-11-11 | 1996-12-10 | Ricoh Company, Ltd. | Device for cleaning a photoconductive element included in an image forming apparatus |
US5907752A (en) * | 1993-11-11 | 1999-05-25 | Ricoh Company, Ltd. | Device for cleaning a photoconductive element included in an image forming apparatus |
US5671461A (en) * | 1994-10-21 | 1997-09-23 | Ricoh Company, Ltd. | Toner cartridge avoiding spillage of toners |
US5822653A (en) * | 1994-10-21 | 1998-10-13 | Ricoh Company, Ltd. | Toner cartridge avoiding spillage of toners |
US5734952A (en) * | 1995-02-16 | 1998-03-31 | Ricoh Company, Ltd. | Developing device for an image forming apparatus and toner cartridge for replenishing a fresh toner to the developing device |
Also Published As
Publication number | Publication date |
---|---|
JPH0673040B2 (en) | 1994-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |