JPS5535339A - Developing system - Google Patents

Developing system

Info

Publication number
JPS5535339A
JPS5535339A JP10775378A JP10775378A JPS5535339A JP S5535339 A JPS5535339 A JP S5535339A JP 10775378 A JP10775378 A JP 10775378A JP 10775378 A JP10775378 A JP 10775378A JP S5535339 A JPS5535339 A JP S5535339A
Authority
JP
Japan
Prior art keywords
developing
developing solution
degradation
control
image densities
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
JP10775378A
Other languages
Japanese (ja)
Inventor
Toshitaka Hirata
Yutaka Ebi
Toshio Kawakubo
Toshibumi Kato
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 JP10775378A priority Critical patent/JPS5535339A/en
Publication of JPS5535339A publication Critical patent/JPS5535339A/en
Pending legal-status Critical Current

Links

Landscapes

  • Wet Developing In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To maintain image densities always constant and announce more than a fixed level of degradation of developing solution by controlling the elements which change image densities according to the degrees of degradation of the developing solution.
CONSTITUTION: Developing solution resistance is measured by the liquid resistance measuring electrode 7 provided within a developing vessel 4. According to this measured value, the electric field to be applied to toner, i.e., the bias voltage to be applied to a developing electrode 4a is changed. It is equally well to output the luminance modulating signal of a cathode ray tube 3 and control the emission luminance thereof or control the voltage of a charger 2.
COPYRIGHT: (C)1980,JPO&Japio
JP10775378A 1978-09-01 1978-09-01 Developing system Pending JPS5535339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10775378A JPS5535339A (en) 1978-09-01 1978-09-01 Developing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10775378A JPS5535339A (en) 1978-09-01 1978-09-01 Developing system

Publications (1)

Publication Number Publication Date
JPS5535339A true JPS5535339A (en) 1980-03-12

Family

ID=14467094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10775378A Pending JPS5535339A (en) 1978-09-01 1978-09-01 Developing system

Country Status (1)

Country Link
JP (1) JPS5535339A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6055387A (en) * 1998-06-01 2000-04-25 Nec Corporation Device and method for electrophotographic image generation
US6422129B1 (en) 1998-04-17 2002-07-23 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Swash plate type refrigerant compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6422129B1 (en) 1998-04-17 2002-07-23 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Swash plate type refrigerant compressor
US6055387A (en) * 1998-06-01 2000-04-25 Nec Corporation Device and method for electrophotographic image generation

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