JPS55106470A - Printing density control unit - Google Patents

Printing density control unit

Info

Publication number
JPS55106470A
JPS55106470A JP1321779A JP1321779A JPS55106470A JP S55106470 A JPS55106470 A JP S55106470A JP 1321779 A JP1321779 A JP 1321779A JP 1321779 A JP1321779 A JP 1321779A JP S55106470 A JPS55106470 A JP S55106470A
Authority
JP
Japan
Prior art keywords
developer
toner concentration
concentration
toner
level comparator
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
JP1321779A
Other languages
English (en)
Other versions
JPH0135344B2 (ja
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 true JPS55106470A (en) 1980-08-15
JPH0135344B2 JPH0135344B2 (ja) 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 (ja)

Cited By (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
JP2014048446A (ja) * 2012-08-31 2014-03-17 Ricoh Co Ltd 画像形成装置

Families Citing this family (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
JP6332926B2 (ja) * 2013-09-03 2018-05-30 キヤノン株式会社 画像形成装置

Cited By (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
JP2014048446A (ja) * 2012-08-31 2014-03-17 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
JPH0135344B2 (ja) 1989-07-25

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