JPH0325461U - - Google Patents
Info
- Publication number
- JPH0325461U JPH0325461U JP8523789U JP8523789U JPH0325461U JP H0325461 U JPH0325461 U JP H0325461U JP 8523789 U JP8523789 U JP 8523789U JP 8523789 U JP8523789 U JP 8523789U JP H0325461 U JPH0325461 U JP H0325461U
- Authority
- JP
- Japan
- Prior art keywords
- suction
- paper
- fan
- identification
- suction fan
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Fixing For Electrophotography (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図は本考案による紙吸着装置を備えるレー
ザプリンタの概要構成図、第２図、第３図、第４
図はその紙吸着装置の電気的構成のそれぞれ異な
る例のブロツク図、第５図は従来例において用紙
の硬度と吸引フアンの吸引力との関係を示すグラ
フ、第６図は同様に用紙の平滑性と吸引フアンの
吸引力との関係を示すグラフ、第７図は封筒の斜
視図、第８図は転写・分離ユニツトの斜視図であ
る。
１４……感光体、１９……紙吸着装置、２０…
…吸引フアン、２１……上搬送ガイド、２２……
定着装置、２７……封筒通紙用スイツチ、２８…
…コントローラＣＰＵ、２９……モータドライブ
回路、３０……フアンモータ、３１……封筒検知
センサ、３２……エンジンＣＰＵ、ＴＲ１，ＴＲ
２……トランジスタ、Ｒ１，Ｒ２……抵抗。
Figure 1 is a schematic configuration diagram of a laser printer equipped with a paper suction device according to the present invention, Figures 2, 3, and 4.
The figures are block diagrams of different electrical configurations of the paper suction device, Figure 5 is a graph showing the relationship between paper hardness and the suction force of the suction fan in the conventional example, and Figure 6 is a graph showing the relationship between paper hardness and the suction force of the suction fan. FIG. 7 is a perspective view of the envelope, and FIG. 8 is a perspective view of the transfer/separation unit. 14...Photoreceptor, 19...Paper suction device, 20...
...Suction fan, 21... Upper conveyance guide, 22...
Fixing device, 27...Envelope feeding switch, 28...
... Controller CPU, 29 ... Motor drive circuit, 30 ... Fan motor, 31 ... Envelope detection sensor, 32 ... Engine CPU, TR 1 , TR
2 ...Transistor, R1 , R2 ...Resistor.
Claims (1)
後、その用紙を吸引フアンの吸引作用によつて吸
着面に吸着保持して定着装置へ搬送するレーザプ
リンタ等において、封筒通紙を検知または識別入
力する手段と、該手段による検知または識別入力
時に前記吸引フアンを駆動するフアンモータを停
止またはその回転数を変化させる手段とを備えた
ことを特徴とする、レーザプリンタ等における紙
吸着装置。 In laser printers, etc., which convey paper to the top of a photoconductor and transfer an image, the paper is held on a suction surface by the suction action of a suction fan and conveyed to a fixing device. A paper suction device for a laser printer or the like, comprising means for inputting identification, and means for stopping or changing the rotation speed of a fan motor that drives the suction fan when the means detects or inputs identification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8523789U JPH0325461U (en) | 1989-07-20 | 1989-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8523789U JPH0325461U (en) | 1989-07-20 | 1989-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325461U true JPH0325461U (en) | 1991-03-15 |
Family
ID=31634258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8523789U Pending JPH0325461U (en) | 1989-07-20 | 1989-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013159447A (en) * | 2012-02-06 | 2013-08-19 | Konica Minolta Inc | Paper feeding device and image forming device |
-
1989
- 1989-07-20 JP JP8523789U patent/JPH0325461U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013159447A (en) * | 2012-02-06 | 2013-08-19 | Konica Minolta Inc | Paper feeding device and image forming device |
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