JPS6484277A - Image formation device - Google Patents

Image formation device

Info

Publication number
JPS6484277A
JPS6484277A JP62243158A JP24315887A JPS6484277A JP S6484277 A JPS6484277 A JP S6484277A JP 62243158 A JP62243158 A JP 62243158A JP 24315887 A JP24315887 A JP 24315887A JP S6484277 A JPS6484277 A JP S6484277A
Authority
JP
Japan
Prior art keywords
carrier
generated
omega
value
toner
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
Application number
JP62243158A
Other languages
Japanese (ja)
Other versions
JP2746885B2 (en
Inventor
Masao Hayashi
Kenichi Tsuneeda
Katsuhide Sano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Intelligent Technology Co Ltd
Original Assignee
Toshiba Corp
Toshiba Intelligent Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Toshiba Intelligent Technology Co Ltd filed Critical Toshiba Corp
Priority to JP62243158A priority Critical patent/JP2746885B2/en
Publication of JPS6484277A publication Critical patent/JPS6484277A/en
Application granted granted Critical
Publication of JP2746885B2 publication Critical patent/JP2746885B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To perform satisfactory image formation without generating an image memory by using a two component developer consisting of coloring powder and magnetic powder as the developer housed in a device and specifying the dynamic resistance value of the magnetic powder. CONSTITUTION:The two component developer consisting of a toner and a carrier is used as the developer, and a material whose dynamic resistance value represents a value in a range of 10<7>-10<9>OMEGA.cm is used as the carrier. Namely, the toner with reverse polarity generated due to the injection of electric charge of the toner itself is not generated when the carrier with the value less than 10<7>OMEGA.cm is used, and also, the attachment of the carrier due to the injection of the electric charge of the carrier itself generated in the carrier with the value <=10<7>OMEGA.cm is not generated, and furthermore, it is possible to prevent the effect of the carrier as a confronting electrode from being missed due to the lowering of the execution bias of a developing device by a high resistance carrier >=10<9>OMEGA.cm, and to prevent a cleaning effect and image density from being lowered. In such a way, the image memory and a ghost image, etc., can be prevented from being generated.
JP62243158A 1987-09-28 1987-09-28 Image forming device Expired - Lifetime JP2746885B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62243158A JP2746885B2 (en) 1987-09-28 1987-09-28 Image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62243158A JP2746885B2 (en) 1987-09-28 1987-09-28 Image forming device

Publications (2)

Publication Number Publication Date
JPS6484277A true JPS6484277A (en) 1989-03-29
JP2746885B2 JP2746885B2 (en) 1998-05-06

Family

ID=17099668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62243158A Expired - Lifetime JP2746885B2 (en) 1987-09-28 1987-09-28 Image forming device

Country Status (1)

Country Link
JP (1) JP2746885B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02267566A (en) * 1989-04-10 1990-11-01 Tomoegawa Paper Co Ltd Developer for reversal development
JP2021092594A (en) * 2019-12-06 2021-06-17 京セラドキュメントソリューションズ株式会社 Image formation apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1434104A3 (en) 2002-12-27 2004-11-17 Ricoh Company, Ltd. Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133573A (en) * 1983-01-20 1984-07-31 Toshiba Corp Image forming device
JPS6169081A (en) * 1984-08-22 1986-04-09 Ricoh Co Ltd Image forming method
JPS6235369A (en) * 1985-08-09 1987-02-16 Hitachi Metals Ltd Ferrite carrier and developing method using said carrier
JPS6242163A (en) * 1985-08-20 1987-02-24 Hitachi Metals Ltd Developer for developing electrostatic charge image
JPS62173476A (en) * 1986-01-27 1987-07-30 Konishiroku Photo Ind Co Ltd Photosensitive body and image forming method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133573A (en) * 1983-01-20 1984-07-31 Toshiba Corp Image forming device
JPS6169081A (en) * 1984-08-22 1986-04-09 Ricoh Co Ltd Image forming method
JPS6235369A (en) * 1985-08-09 1987-02-16 Hitachi Metals Ltd Ferrite carrier and developing method using said carrier
JPS6242163A (en) * 1985-08-20 1987-02-24 Hitachi Metals Ltd Developer for developing electrostatic charge image
JPS62173476A (en) * 1986-01-27 1987-07-30 Konishiroku Photo Ind Co Ltd Photosensitive body and image forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02267566A (en) * 1989-04-10 1990-11-01 Tomoegawa Paper Co Ltd Developer for reversal development
JP2021092594A (en) * 2019-12-06 2021-06-17 京セラドキュメントソリューションズ株式会社 Image formation apparatus

Also Published As

Publication number Publication date
JP2746885B2 (en) 1998-05-06

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