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
Links
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Voltage And Current In General (AREA)
Description
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)
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.
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)
| 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 |
-
1985
- 1985-01-29 JP JP1985010840U patent/JPH0610370Y2/en not_active Expired - Lifetime
Patent Citations (3)
| 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 |