JPS53136844A - Toner residual quantity detector - Google Patents

Toner residual quantity detector

Info

Publication number
JPS53136844A
JPS53136844A JP5140177A JP5140177A JPS53136844A JP S53136844 A JPS53136844 A JP S53136844A JP 5140177 A JP5140177 A JP 5140177A JP 5140177 A JP5140177 A JP 5140177A JP S53136844 A JPS53136844 A JP S53136844A
Authority
JP
Japan
Prior art keywords
residual quantity
quantity detector
toner residual
toner
quantiyty
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
JP5140177A
Other languages
Japanese (ja)
Inventor
Nobuo Mochizuki
Hiroki Izumi
Hajime Koyama
Teruyuki Onuma
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 JP5140177A priority Critical patent/JPS53136844A/en
Publication of JPS53136844A publication Critical patent/JPS53136844A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To detect the residual quantiyty of toner and enable always stable copies to be obtained by providing an oscillator and a receiving element mutually opposedly within a hopper where toner is contained.
JP5140177A 1977-05-04 1977-05-04 Toner residual quantity detector Pending JPS53136844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5140177A JPS53136844A (en) 1977-05-04 1977-05-04 Toner residual quantity detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5140177A JPS53136844A (en) 1977-05-04 1977-05-04 Toner residual quantity detector

Publications (1)

Publication Number Publication Date
JPS53136844A true JPS53136844A (en) 1978-11-29

Family

ID=12885911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5140177A Pending JPS53136844A (en) 1977-05-04 1977-05-04 Toner residual quantity detector

Country Status (1)

Country Link
JP (1) JPS53136844A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578563A (en) * 1980-06-18 1982-01-16 Canon Inc Powdery developer presence detector in developing device
JPS5768878A (en) * 1980-10-17 1982-04-27 Canon Inc Image formation device
JPS5938462U (en) * 1982-09-06 1984-03-10 沖電気工業株式会社 Toner remaining amount detection device
JPS5990959U (en) * 1982-12-09 1984-06-20 横河電機株式会社 electrophotographic recording device
US5035198A (en) * 1989-04-21 1991-07-30 Ricoh Company, Ltd. Toner end detection apparatus using ultrasonic sensor
JP2010145798A (en) * 2008-12-19 2010-07-01 Canon Inc Image forming apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578563A (en) * 1980-06-18 1982-01-16 Canon Inc Powdery developer presence detector in developing device
JPS5768878A (en) * 1980-10-17 1982-04-27 Canon Inc Image formation device
JPS5938462U (en) * 1982-09-06 1984-03-10 沖電気工業株式会社 Toner remaining amount detection device
JPS5990959U (en) * 1982-12-09 1984-06-20 横河電機株式会社 electrophotographic recording device
US5035198A (en) * 1989-04-21 1991-07-30 Ricoh Company, Ltd. Toner end detection apparatus using ultrasonic sensor
JP2010145798A (en) * 2008-12-19 2010-07-01 Canon Inc Image forming apparatus

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