JPS63100738U - - Google Patents
Info
- Publication number
- JPS63100738U JPS63100738U JP19375386U JP19375386U JPS63100738U JP S63100738 U JPS63100738 U JP S63100738U JP 19375386 U JP19375386 U JP 19375386U JP 19375386 U JP19375386 U JP 19375386U JP S63100738 U JPS63100738 U JP S63100738U
- Authority
- JP
- Japan
- Prior art keywords
- image
- paper
- cassette
- electrophotographic device
- inhibiting
- 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
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Counters In Electrophotography And Two-Sided Copying (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案に係る電子写真装置における機構部の
構成例を示す図、第３図は制御系の構成例を示す
ブロツク図、第４図は割込み処理の流れを示すフ
ローチヤート、第５図はカセツトから送出された
用紙が感光体転写位置まで搬送される過程で表裏
反転する紙送り系の構成例を示す図である。
［符号の説明］、１…カセツト、２…用紙、３
，１０…感光体、４…紙送り系、５…像検出手段
、６…像形成禁止手段、１１ａ〜１１ｅ…カセツ
ト、１７…帯電器、１８…現像機、１９…転写器
、５０…イメージセンサ、５１…判別回路、５２
…スイツチ、５３…フリツプフロツプ、５４…ア
ンド回路、６０…ＣＰＵ、６５…搬送用モータ、
６７…表示器、７０…現像・転写系。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a block diagram showing the configuration of the present invention.
3 is a block diagram showing an example of the structure of the control system, FIG. 4 is a flowchart showing the flow of interrupt processing, and FIG. 2 is a diagram illustrating an example of the configuration of a paper feeding system in which paper fed from a cassette is turned over while being transported to a photoreceptor transfer position. FIG. [Explanation of symbols], 1...Cassette, 2...Paper, 3
, 10... Photoreceptor, 4... Paper feeding system, 5... Image detection means, 6... Image formation inhibiting means, 11a to 11e... Cassette, 17... Charger, 18... Developer, 19... Transfer device, 50... Image sensor , 51...discrimination circuit, 52
...Switch, 53...Flip-flop, 54...AND circuit, 60...CPU, 65...Transport motor,
67...Display device, 70...Development/transfer system.
Claims (1)
まで搬送される過程で表裏反転する紙送り系を有
した電子写真装置において、新たな像が形成され
るべき用紙面の像の有無をカセツトのセツト位置
から感光体転写位置までの間にて検出する像検出
手段と、この像検出手段にて当該像の検出がなさ
れたときに当該用紙への像形成を禁止する像形成
禁止手段とを備えたことを特徴とする電子写真装
置。 In an electrophotographic device that has a paper feeding system that reverses the front and back of paper sent from a cassette while it is being transported to the photoreceptor transfer position, the presence or absence of an image on the paper surface on which a new image is to be formed is checked at the cassette set position. and an image-forming inhibiting means for inhibiting image formation on the paper when the image is detected by the image-detecting means. An electrophotographic device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19375386U JPS63100738U (en) | 1986-12-18 | 1986-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19375386U JPS63100738U (en) | 1986-12-18 | 1986-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63100738U true JPS63100738U (en) | 1988-06-30 |
Family
ID=31150074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19375386U Pending JPS63100738U (en) | 1986-12-18 | 1986-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63100738U (en) |
-
1986
- 1986-12-18 JP JP19375386U patent/JPS63100738U/ja active Pending
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