JPS5424036A - Developer exchanging time indicator - Google Patents

Developer exchanging time indicator

Info

Publication number
JPS5424036A
JPS5424036A JP8943377A JP8943377A JPS5424036A JP S5424036 A JPS5424036 A JP S5424036A JP 8943377 A JP8943377 A JP 8943377A JP 8943377 A JP8943377 A JP 8943377A JP S5424036 A JPS5424036 A JP S5424036A
Authority
JP
Japan
Prior art keywords
time indicator
exchanging time
developer
developer exchanging
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.)
Pending
Application number
JP8943377A
Other languages
Japanese (ja)
Inventor
Susumu Tatsumi
Nachio Seko
Toshiyuki Ogawa
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 JP8943377A priority Critical patent/JPS5424036A/en
Publication of JPS5424036A publication Critical patent/JPS5424036A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To enable developer exchanging time to be displayed by detecting the values of at least one or combinations of the number of copies, the driving time of developing part, the temperature of developer, the concentration of toner and the quantity of use of toner.
JP8943377A 1977-07-26 1977-07-26 Developer exchanging time indicator Pending JPS5424036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8943377A JPS5424036A (en) 1977-07-26 1977-07-26 Developer exchanging time indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8943377A JPS5424036A (en) 1977-07-26 1977-07-26 Developer exchanging time indicator

Publications (1)

Publication Number Publication Date
JPS5424036A true JPS5424036A (en) 1979-02-23

Family

ID=13970525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8943377A Pending JPS5424036A (en) 1977-07-26 1977-07-26 Developer exchanging time indicator

Country Status (1)

Country Link
JP (1) JPS5424036A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782351U (en) * 1980-11-07 1982-05-21
EP0583634A2 (en) * 1992-07-21 1994-02-23 Sharp Kabushiki Kaisha Developing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5782351U (en) * 1980-11-07 1982-05-21
JPS6246193Y2 (en) * 1980-11-07 1987-12-11
EP0583634A2 (en) * 1992-07-21 1994-02-23 Sharp Kabushiki Kaisha Developing device
EP0583634A3 (en) * 1992-07-21 1998-02-04 Sharp Kabushiki Kaisha Developing device

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