JPS61171055U - - Google Patents
Info
- Publication number
- JPS61171055U JPS61171055U JP5352685U JP5352685U JPS61171055U JP S61171055 U JPS61171055 U JP S61171055U JP 5352685 U JP5352685 U JP 5352685U JP 5352685 U JP5352685 U JP 5352685U JP S61171055 U JPS61171055 U JP S61171055U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- photoreceptor
- image density
- control device
- 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
- 108091008695 photoreceptors Proteins 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 2
Description
第１図本考案の画像濃度調整装置の原理を示す
図、第２図は本考案の一実施例を示す図、第３イ
〜ニ図は各トナーのトナー量と波長による鏡面反
射率の変化との関係を示す図、第４図はトナー像
濃度とセンサ出力との関係を示す図、第５イおよ
びハ図は感光体上のトナー像濃度分布を示す図、
第５ロおよびニ図は感光体上のトナー像濃度分布
をセンサ出力で表わした図、第６図は感光体上の
トナー像濃度と書き込み用レーザパワーとの関係
を示す図である。
図中符号：１…画像濃度調整用レーザ、２…結
像レンズ、３…レーザ偏光器、４…ミラー、５…
感光体ドラム、６…集光レンズ、７…センサ、８
…書き込み用レーザ、９…コリメータレンズ、１
０…結像レンズ、１１…クリーナ、１２ａ，１２
ｂ，１２ｃ…現像器、１３…帯電器、１４…定着
器、１５…転写ドラム、１６…用紙トレイ。
Figure 1 is a diagram showing the principle of the image density adjustment device of the present invention, Figure 2 is a diagram showing an embodiment of the present invention, Figures 3 A to D are changes in specular reflectance depending on the amount of toner and wavelength of each toner. Figure 4 is a diagram showing the relationship between toner image density and sensor output, Figures 5 A and C are diagrams showing toner image density distribution on the photoreceptor,
5B and 5D are diagrams showing the toner image density distribution on the photoreceptor in terms of sensor output, and FIG. 6 is a diagram showing the relationship between the toner image density on the photoreceptor and the writing laser power. Codes in the figure: 1...Laser for image density adjustment, 2...Imaging lens, 3...Laser polarizer, 4...Mirror, 5...
Photosensitive drum, 6... Condensing lens, 7... Sensor, 8
...Writing laser, 9...Collimator lens, 1
0...Imaging lens, 11...Cleaner, 12a, 12
b, 12c...Developer, 13...Charger, 14...Fixer, 15...Transfer drum, 16...Paper tray.
Claims (1)
、投射された光の静電荷像からの反射光を受領し
て電気信号に変換する受光素子とからなるカラー
プリンタ用画像濃度制御装置において、発光素子
として赤外レーザ光源を使用し、該発光像子から
の赤外レーザをレーザ偏光器により偏光して感光
体の移動方向に直角な方向に感光体面を走査でき
るようにしたことを特徴とするカラープリンタ用
画像濃度制御装置。 An image density control device for a color printer comprising a light emitting element that projects light onto a developed electrostatic charge image, and a light receiving element that receives reflected light from the projected light from the electrostatic charge image and converts it into an electrical signal, An infrared laser light source is used as a light emitting element, and the infrared laser from the light emitting imager is polarized by a laser polarizer so that the surface of the photoreceptor can be scanned in a direction perpendicular to the direction of movement of the photoreceptor. Image density control device for color printers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5352685U JPS61171055U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5352685U JPS61171055U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171055U true JPS61171055U (en) | 1986-10-23 |
Family
ID=30574474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5352685U Pending JPS61171055U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171055U (en) |
-
1985
- 1985-04-12 JP JP5352685U patent/JPS61171055U/ja active Pending
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