JPS5342040A - Deterioration judging method of developing agent - Google Patents

Deterioration judging method of developing agent

Info

Publication number
JPS5342040A
JPS5342040A JP11628076A JP11628076A JPS5342040A JP S5342040 A JPS5342040 A JP S5342040A JP 11628076 A JP11628076 A JP 11628076A JP 11628076 A JP11628076 A JP 11628076A JP S5342040 A JPS5342040 A JP S5342040A
Authority
JP
Japan
Prior art keywords
developing agent
judging method
deterioration judging
deterioration
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
JP11628076A
Other languages
Japanese (ja)
Other versions
JPS5953542B2 (en
Inventor
Susumu Tatsumi
Seiichi Miyagawa
Koji Sakamoto
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11628076A priority Critical patent/JPS5953542B2/en
Publication of JPS5342040A publication Critical patent/JPS5342040A/en
Publication of JPS5953542B2 publication Critical patent/JPS5953542B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To easily accomplish the judgement of deterioration of a developing agent by sticking the toner, which is floating in a developing apparatus, to a collecting plate, which is rpovided in the developing agent, and by comparing the amount of the toner sticked with a reference table which is prepared in advance.
JP11628076A 1976-09-28 1976-09-28 How to determine the degree of deterioration of developer Expired JPS5953542B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11628076A JPS5953542B2 (en) 1976-09-28 1976-09-28 How to determine the degree of deterioration of developer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11628076A JPS5953542B2 (en) 1976-09-28 1976-09-28 How to determine the degree of deterioration of developer

Publications (2)

Publication Number Publication Date
JPS5342040A true JPS5342040A (en) 1978-04-17
JPS5953542B2 JPS5953542B2 (en) 1984-12-25

Family

ID=14683151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11628076A Expired JPS5953542B2 (en) 1976-09-28 1976-09-28 How to determine the degree of deterioration of developer

Country Status (1)

Country Link
JP (1) JPS5953542B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55110274A (en) * 1979-02-15 1980-08-25 Canon Inc Developing device
JPS5653626A (en) * 1979-10-08 1981-05-13 Nippon Ester Co Ltd Storing method of glycol solution

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55110274A (en) * 1979-02-15 1980-08-25 Canon Inc Developing device
JPH0124309B2 (en) * 1979-02-15 1989-05-11 Canon Kk
JPS5653626A (en) * 1979-10-08 1981-05-13 Nippon Ester Co Ltd Storing method of glycol solution

Also Published As

Publication number Publication date
JPS5953542B2 (en) 1984-12-25

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