JPS58134669A - トナ−量検知装置 - Google Patents

トナ−量検知装置

Info

Publication number
JPS58134669A
JPS58134669A JP57016585A JP1658582A JPS58134669A JP S58134669 A JPS58134669 A JP S58134669A JP 57016585 A JP57016585 A JP 57016585A JP 1658582 A JP1658582 A JP 1658582A JP S58134669 A JPS58134669 A JP S58134669A
Authority
JP
Japan
Prior art keywords
toner
voltage
detection
detection voltage
amount
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
JP57016585A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358116B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Masayoshi Hayashi
林　公良
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP57016585A priority Critical patent/JPS58134669A/ja
Publication of JPS58134669A publication Critical patent/JPS58134669A/ja
Publication of JPH0358116B2 publication Critical patent/JPH0358116B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0856—Detection or control means for the developer level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP57016585A 1982-02-04 1982-02-04 トナ−量検知装置 Granted JPS58134669A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57016585A JPS58134669A (ja) 1982-02-04 1982-02-04 トナ−量検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57016585A JPS58134669A (ja) 1982-02-04 1982-02-04 トナ−量検知装置

Publications (2)

Publication Number Publication Date
JPS58134669A true JPS58134669A (ja) 1983-08-10
JPH0358116B2 JPH0358116B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-09-04

Family

ID=11920347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57016585A Granted JPS58134669A (ja) 1982-02-04 1982-02-04 トナ−量検知装置

Country Status (1)

Country Link
JP (1) JPS58134669A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035198A (en) * 1989-04-21 1991-07-30 Ricoh Company, Ltd. Toner end detection apparatus using ultrasonic sensor
JPH04301666A (ja) * 1991-03-29 1992-10-26 Fujitsu Ltd トナ−残量検出方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035198A (en) * 1989-04-21 1991-07-30 Ricoh Company, Ltd. Toner end detection apparatus using ultrasonic sensor
JPH04301666A (ja) * 1991-03-29 1992-10-26 Fujitsu Ltd トナ−残量検出方法

Also Published As

Publication number Publication date
JPH0358116B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-09-04

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