JPS61112372U - - Google Patents
Info
- Publication number
- JPS61112372U JPS61112372U JP19589784U JP19589784U JPS61112372U JP S61112372 U JPS61112372 U JP S61112372U JP 19589784 U JP19589784 U JP 19589784U JP 19589784 U JP19589784 U JP 19589784U JP S61112372 U JPS61112372 U JP S61112372U
- Authority
- JP
- Japan
- Prior art keywords
- static eliminator
- light
- image forming
- latent image
- electrostatic latent
- 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
- 230000003068 static effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
第１図は本考案の一実施例による除電装置を備
えたレーザプリンタの構成図、第２図は本考案の
一実施例による除電装置の拡大斜視図、第３図は
第１図の実施例で用いた露光ランプ及びレーザの
分光特性を示す図、第４図及び第５図は第１図の
実施例で用いた除電用ＬＥＤの分光特性を示す図
、第６図はゴースト像による画像部と非画像部電
位ムラ発生メカニズムを説明する図である。
図中符号、３……感光体ドラム、４……セルフ
オツクレンズ、５……露光ランプ、６……画像書
込み用レーザ、７……ポリゴン・ミラー、８……
集光レンズ、１３……除電装置、１４，１５，１
６……ＬＥＤ、１７……シールドケース。
Fig. 1 is a block diagram of a laser printer equipped with a static eliminator according to an embodiment of the present invention, Fig. 2 is an enlarged perspective view of a static eliminator according to an embodiment of the invention, and Fig. 3 is an embodiment of Fig. 1. Figures 4 and 5 are diagrams showing the spectral characteristics of the exposure lamp and laser used in the example of Figure 1. Figure 6 is a diagram showing the spectral characteristics of the static elimination LED used in the example of Figure 1. Figure 6 shows the image area due to ghost images. FIG. 3 is a diagram illustrating a mechanism of non-image area potential unevenness generation. Symbols in the figure: 3... Photosensitive drum, 4... Self-cleaning lens, 5... Exposure lamp, 6... Laser for image writing, 7... Polygon mirror, 8...
Condensing lens, 13... Static eliminator, 14, 15, 1
6...LED, 17...shield case.
Claims (1)
ト光を有するレーザプリンタの除電装置に於て、
少なくとも２個以上の光質の違う除電光源を有し
、前記静電潜像形成手段の光質に近似した光質の
除電光源を選択使用して除電することを特徴とす
るレーザプリンタの除電装置。 In a static eliminator for a laser printer having a laser beam and an inherent beam as an electrostatic latent image forming means,
A static eliminator for a laser printer, characterized in that it has at least two static eliminator light sources with different light qualities, and selectively uses the static eliminator light source with light quality similar to the light quality of the electrostatic latent image forming means to remove static electricity. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19589784U JPS61112372U (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19589784U JPS61112372U (en) | 1984-12-26 | 1984-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61112372U true JPS61112372U (en) | 1986-07-16 |
Family
ID=30753514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19589784U Pending JPS61112372U (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61112372U (en) |
-
1984
- 1984-12-26 JP JP19589784U patent/JPS61112372U/ja active Pending
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