JPS53110845A - Detector of residual amount of toner - Google Patents

Detector of residual amount of toner

Info

Publication number
JPS53110845A
JPS53110845A JP2491977A JP2491977A JPS53110845A JP S53110845 A JPS53110845 A JP S53110845A JP 2491977 A JP2491977 A JP 2491977A JP 2491977 A JP2491977 A JP 2491977A JP S53110845 A JPS53110845 A JP S53110845A
Authority
JP
Japan
Prior art keywords
toner
residual amount
detector
developing roller
providing
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
JP2491977A
Other languages
Japanese (ja)
Other versions
JPS6034749B2 (en
Inventor
Teruyuki Onuma
Nobuo Mochizuki
Hiroki Izumi
Hajime Koyama
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 JP2491977A priority Critical patent/JPS6034749B2/en
Publication of JPS53110845A publication Critical patent/JPS53110845A/en
Publication of JPS6034749B2 publication Critical patent/JPS6034749B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To make possible the positive detection of the residual amount of the toner with simple construction by making use of the specified bias potential being applied to a developing roller and providing a detection electrode detachable from the developing roller.
JP2491977A 1977-03-09 1977-03-09 Toner remaining amount detection device Expired JPS6034749B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2491977A JPS6034749B2 (en) 1977-03-09 1977-03-09 Toner remaining amount detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2491977A JPS6034749B2 (en) 1977-03-09 1977-03-09 Toner remaining amount detection device

Publications (2)

Publication Number Publication Date
JPS53110845A true JPS53110845A (en) 1978-09-27
JPS6034749B2 JPS6034749B2 (en) 1985-08-10

Family

ID=12151549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2491977A Expired JPS6034749B2 (en) 1977-03-09 1977-03-09 Toner remaining amount detection device

Country Status (1)

Country Link
JP (1) JPS6034749B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596967A (en) * 1979-01-19 1980-07-23 Ricoh Co Ltd Developer laminar state detector
JPS55135874A (en) * 1979-04-12 1980-10-23 Ricoh Co Ltd Remaining developer amount detector
JPS63208885A (en) * 1987-02-26 1988-08-30 Canon Inc Image forming device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596967A (en) * 1979-01-19 1980-07-23 Ricoh Co Ltd Developer laminar state detector
JPS6337383B2 (en) * 1979-01-19 1988-07-25 Ricoh Kk
JPS55135874A (en) * 1979-04-12 1980-10-23 Ricoh Co Ltd Remaining developer amount detector
JPS6316743B2 (en) * 1979-04-12 1988-04-11 Ricoh Kk
JPS63208885A (en) * 1987-02-26 1988-08-30 Canon Inc Image forming device

Also Published As

Publication number Publication date
JPS6034749B2 (en) 1985-08-10

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