JPH0229063U - - Google Patents
Info
- Publication number
- JPH0229063U JPH0229063U JP10805288U JP10805288U JPH0229063U JP H0229063 U JPH0229063 U JP H0229063U JP 10805288 U JP10805288 U JP 10805288U JP 10805288 U JP10805288 U JP 10805288U JP H0229063 U JPH0229063 U JP H0229063U
- Authority
- JP
- Japan
- Prior art keywords
- photosensitive drum
- light source
- irradiates
- latent image
- static
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000005856 abnormality Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
第1図は本考案のLEDランプ駆動回路の回路
図、第2図は従来の電子写真装置の構成図、第3
図は従来のLEDランプ駆動回路の回路図である
。
1……感光ドラム、2……1次帯電器、3……
露光光源、4……現像器、5……転写帯電器、6
……定着器、7……LEDランプ、8……クリー
ナ、9……用紙、11……CPU、21……電流
検出用抵抗、24……コンパレータ、26……排
他的論理和回路。
Fig. 1 is a circuit diagram of the LED lamp drive circuit of the present invention, Fig. 2 is a configuration diagram of a conventional electrophotographic device, and Fig. 3 is a circuit diagram of the LED lamp drive circuit of the present invention.
The figure is a circuit diagram of a conventional LED lamp drive circuit. 1...Photosensitive drum, 2...Primary charger, 3...
Exposure light source, 4...Developer, 5...Transfer charger, 6
...Fuser, 7...LED lamp, 8...Cleaner, 9...Paper, 11...CPU, 21...Resistor for current detection, 24...Comparator, 26...Exclusive OR circuit.
Claims (1)
した光を照射し、潜像を形成する露光光源と、潜
像を現像する現像器と、 現像された像を用紙に転写する転写帯電器と、 転写終了後の感光ドラムに光を照射し、感光ド
ラムを除電する除電用光源と、 除電用光源の異常通電及び異常遮断を検出する
検出手段とを備える電子写真装置。[Scope of Claim for Utility Model Registration] A primary charger that uniformly charges a photosensitive drum; an exposure light source that irradiates the uniformly charged photosensitive drum with light corresponding to a recording signal to form a latent image; Abnormality in the developing device that develops the latent image, the transfer charger that transfers the developed image onto paper, the static eliminating light source that irradiates light onto the photosensitive drum to eliminate static electricity from the photosensitive drum after transfer, and the static neutralizing light source. An electrophotographic apparatus comprising a detection means for detecting energization and abnormal interruption.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10805288U JPH0229063U (en) | 1988-08-16 | 1988-08-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10805288U JPH0229063U (en) | 1988-08-16 | 1988-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0229063U true JPH0229063U (en) | 1990-02-23 |
Family
ID=31343023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10805288U Pending JPH0229063U (en) | 1988-08-16 | 1988-08-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0229063U (en) |
-
1988
- 1988-08-16 JP JP10805288U patent/JPH0229063U/ja active Pending
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