JPH0135344B2 - - Google Patents

Info

Publication number
JPH0135344B2
JPH0135344B2 JP54013217A JP1321779A JPH0135344B2 JP H0135344 B2 JPH0135344 B2 JP H0135344B2 JP 54013217 A JP54013217 A JP 54013217A JP 1321779 A JP1321779 A JP 1321779A JP H0135344 B2 JPH0135344 B2 JP H0135344B2
Authority
JP
Japan
Prior art keywords
toner
density
image
developer
print density
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.)
Expired
Application number
JP54013217A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55106470A (en
Inventor
Masayasu Anzai
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.)
Koki Holdings Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Koki 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 Hitachi Ltd, Hitachi Koki Co Ltd filed Critical Hitachi Ltd
Priority to JP1321779A priority Critical patent/JPS55106470A/ja
Publication of JPS55106470A publication Critical patent/JPS55106470A/ja
Publication of JPH0135344B2 publication Critical patent/JPH0135344B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP1321779A 1979-02-09 1979-02-09 Printing density control unit Granted JPS55106470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1321779A JPS55106470A (en) 1979-02-09 1979-02-09 Printing density control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1321779A JPS55106470A (en) 1979-02-09 1979-02-09 Printing density control unit

Publications (2)

Publication Number Publication Date
JPS55106470A JPS55106470A (en) 1980-08-15
JPH0135344B2 true JPH0135344B2 (en]) 1989-07-25

Family

ID=11826987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1321779A Granted JPS55106470A (en) 1979-02-09 1979-02-09 Printing density control unit

Country Status (1)

Country Link
JP (1) JPS55106470A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005084055A (ja) * 2003-09-04 2005-03-31 Ricoh Co Ltd 画像形成方法および画像形成装置
WO2015034102A1 (ja) * 2013-09-03 2015-03-12 キヤノン株式会社 画像形成装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811961A (ja) * 1981-07-16 1983-01-22 Canon Inc 静電潜像保持部材の電位検出方法
JPS60260067A (ja) * 1984-06-06 1985-12-23 Canon Inc 電子写真の制御方法
JPS6223075A (ja) * 1985-07-24 1987-01-31 Hitachi Ltd 記録装置
KR100390673B1 (ko) * 1996-01-22 2003-10-04 삼성전자주식회사 레이저빔프린터의인쇄농도조절방법
JP6041195B2 (ja) * 2012-08-31 2016-12-07 株式会社リコー 画像形成装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005084055A (ja) * 2003-09-04 2005-03-31 Ricoh Co Ltd 画像形成方法および画像形成装置
WO2015034102A1 (ja) * 2013-09-03 2015-03-12 キヤノン株式会社 画像形成装置
JP2015049424A (ja) * 2013-09-03 2015-03-16 キヤノン株式会社 画像形成装置
US9811022B2 (en) 2013-09-03 2017-11-07 Canon Kabushiki Kaisha Image forming apparatus having development contrast control

Also Published As

Publication number Publication date
JPS55106470A (en) 1980-08-15

Similar Documents

Publication Publication Date Title
CA1321231C (en) Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device
US4370053A (en) Developer supply device
CA1159877A (en) Charge density control
US5402214A (en) Toner concentration sensing system for an electrophotographic printer
JPH11295943A (ja) 多色画像形成装置
JP2001318525A (ja) 画像形成装置
JPH0135344B2 (en])
US6498909B1 (en) Method and apparatus for controlling the toner concentration in an electrographic process
CA1290007C (en) Electrophotographic recording method and apparatus
US4866481A (en) Image forming apparatus having a plurality of developers and a detection and control arrangement for detecting the density of a formed image and a controller for controlling the density of the image
JPH08265570A (ja) 画像形成装置
JP3214515B2 (ja) 感光体の表面電圧を測定する方法
JPH08297384A (ja) 画像形成装置
JP3049616B2 (ja) 画像形成装置の画像濃度制御装置及び画像形成装置
JP2574155B2 (ja) 画像形成装置
JPH0284677A (ja) 複写機のトナー濃度制御装置
JP2514638B2 (ja) 画像形成装置の作像条件制御方法
JPH11160930A (ja) 画像形成装置
JPS63172292A (ja) 画像記録装置
JPH0627778A (ja) 画像形成装置
JPH10339988A (ja) トナ−画像記録装置
US6151058A (en) Dynamic control of laser power in electrophotographic device to produce accurate positive and negative printed output
JP3094821B2 (ja) 湿式電子写真装置
JPH11109729A (ja) 現像装置
JPS6049362A (ja) 電子写真装置