JPS61128657U - - Google Patents

Info

Publication number
JPS61128657U
JPS61128657U JP1084085U JP1084085U JPS61128657U JP S61128657 U JPS61128657 U JP S61128657U JP 1084085 U JP1084085 U JP 1084085U JP 1084085 U JP1084085 U JP 1084085U JP S61128657 U JPS61128657 U JP S61128657U
Authority
JP
Japan
Prior art keywords
potential
power supply
bright
dark
value
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
JP1084085U
Other languages
Japanese (ja)
Other versions
JPH0610370Y2 (en
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 filed Critical
Priority to JP1985010840U priority Critical patent/JPH0610370Y2/en
Publication of JPS61128657U publication Critical patent/JPS61128657U/ja
Application granted granted Critical
Publication of JPH0610370Y2 publication Critical patent/JPH0610370Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Voltage And Current In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、この考案を適用した複写機の構成を
示す図、第２図は電位制御方法を説明する図、第
３図は、コントローラの機能ブロツク図、第４図
は、動作を説明するための流れ図である。 １…プラテン、２…コントロールパツチ、３…
露光ランプ、４，５，８…ミラー、６…シヤツタ
ー、７…レンズ、１２…帯電器、１３…電位セン
サ、１４…電位計、１８…コントローラー、１９
…高圧電源、２０…露光ランプ電源、２１…感光
ドラム。 Fig. 1 is a diagram showing the configuration of a copying machine to which this invention is applied, Fig. 2 is a diagram explaining the potential control method, Fig. 3 is a functional block diagram of the controller, and Fig. 4 is an explanation of the operation. This is a flowchart for 1...Platen, 2...Control patch, 3...
Exposure lamp, 4, 5, 8... Mirror, 6... Shutter, 7... Lens, 12... Charger, 13... Potential sensor, 14... Electrometer, 18... Controller, 19
...High voltage power supply, 20...Exposure lamp power supply, 21...Photosensitive drum.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 感光ドラムに近接して電位センサを設け、感光
体の暗電位および明電位を測定可能とした複写機
において、暗電位および明電位の設定値保持部お
よび検出された暗電位および明電位からの修正値
計算用の演算式保持部を有するコントローラと、
該コントローラによつて制御される帯電器用高圧
電源および露光ランプ電源とを設け、修正値を計
算によつて得ると共に、この修正値によつて帯電
器用高圧電源および露光ランプ電源を制御し、暗
電位および明電位を同時に設定値にセツトするこ
とを特徴とする複写機感光体の電位制御装置。 In a copying machine that is equipped with a potential sensor close to the photosensitive drum and is capable of measuring the dark potential and bright potential of the photosensitive drum, there is a set value holding unit for the dark potential and bright potential and correction from the detected dark potential and bright potential. a controller having an arithmetic expression holding unit for value calculation;
A high-voltage power supply for the charger and an exposure lamp power supply are provided which are controlled by the controller, and a correction value is obtained by calculation, and the high-voltage power supply for the charger and the exposure lamp power supply are controlled by this correction value, and the dark potential is 1. A potential control device for a photoconductor of a copying machine, characterized in that the bright potential and bright potential are simultaneously set to a set value.
JP1985010840U 1985-01-29 1985-01-29 Copier photoconductor potential control device Expired - Lifetime JPH0610370Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985010840U JPH0610370Y2 (en) 1985-01-29 1985-01-29 Copier photoconductor potential control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985010840U JPH0610370Y2 (en) 1985-01-29 1985-01-29 Copier photoconductor potential control device

Publications (2)

Publication Number Publication Date
JPS61128657U true JPS61128657U (en) 1986-08-12
JPH0610370Y2 JPH0610370Y2 (en) 1994-03-16

Family

ID=30492392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985010840U Expired - Lifetime JPH0610370Y2 (en) 1985-01-29 1985-01-29 Copier photoconductor potential control device

Country Status (1)

Country Link
JP (1) JPH0610370Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118255A (en) * 1981-01-14 1982-07-23 Canon Inc Electrostatic recorder
JPS58132247A (en) * 1982-02-01 1983-08-06 Ricoh Co Ltd Copying device
JPS5981662A (en) * 1982-11-02 1984-05-11 Canon Inc Picture forming device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118255A (en) * 1981-01-14 1982-07-23 Canon Inc Electrostatic recorder
JPS58132247A (en) * 1982-02-01 1983-08-06 Ricoh Co Ltd Copying device
JPS5981662A (en) * 1982-11-02 1984-05-11 Canon Inc Picture forming device

Also Published As

Publication number Publication date
JPH0610370Y2 (en) 1994-03-16

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