JPS6451970U - - Google Patents
Info
- Publication number
- JPS6451970U JPS6451970U JP14756987U JP14756987U JPS6451970U JP S6451970 U JPS6451970 U JP S6451970U JP 14756987 U JP14756987 U JP 14756987U JP 14756987 U JP14756987 U JP 14756987U JP S6451970 U JPS6451970 U JP S6451970U
- Authority
- JP
- Japan
- Prior art keywords
- photoreceptor
- potential
- area
- region
- opening
- 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 6
- 238000005513 bias potential Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Description
第１図ａは本考案による感光体の帯電時の電位
分布を、第１図ｂは第１図ａの画像露光後の電位
分布を示す図、第２図ａは従来装置による感光体
の帯電時の電位分布を、第２図ｂは第２図ａの画
像露光後の電位分布を示す図、第３図はトナーこ
ぼれを説明するための現像ロールを示す図、第４
図は本考案を具備した帯電器の例を示す図、第５
図は本考案例を説明する図、第６図は複写機の複
写プロセスを説明する図である。
符号の説明、１……帯電器、２……露光、３…
…現像器、４……現像ロール、５……薄層形成部
材、６……転写装置、７……紙、８……クリーニ
ング装置、９……除電装置、１０……感光体ドラ
ム、１１……シール、１２……開口部ａ、１３…
…開口部ｂ、１４……画像形成を与えるための領
域、１５……トナーこぼれ防止のための領域、１
６……遮蔽領域。
Figure 1a shows the potential distribution during charging of the photoreceptor according to the present invention, Figure 1b shows the potential distribution after image exposure in Figure 1a, and Figure 2a shows the charging of the photoreceptor using the conventional device. FIG. 2b is a diagram showing the potential distribution after image exposure in FIG. 2a, FIG. 3 is a diagram showing the developing roll to explain toner spillage, and FIG.
Figure 5 shows an example of a charger equipped with the present invention.
The figure is a diagram for explaining an example of the present invention, and FIG. 6 is a diagram for explaining the copying process of a copying machine. Explanation of symbols, 1... Charger, 2... Exposure, 3...
...Developer, 4...Developing roll, 5...Thin layer forming member, 6...Transfer device, 7...Paper, 8...Cleaning device, 9...Static eliminator, 10...Photoconductor drum, 11... ...Seal, 12...Opening a, 13...
...opening b, 14...area for providing image formation, 15...area for preventing toner spillage, 1
6... Shield area.
Claims (1)
様帯電を感光体に与えるための開口部を有する領
域と、この領域の両端に順次、現像バイアス電位
より低い電位領域を感光体に与えるための遮蔽領
域と、トナーこぼれ防止のための現像バイアス電
位より高い電位領域を感光体に与えるための開口
部を有する領域とを有するトナーこぼれ防止装置
。 A region with an opening for uniformly charging the photoreceptor so that an electrostatic latent image can be formed corresponding to the sheet passing area of the photoreceptor, and a potential region lower than the developing bias potential at both ends of this region is sequentially provided on the photoreceptor. A toner spill prevention device having a shielding area for applying a potential to a photoconductor, and an area having an opening for applying a potential area higher than a developing bias potential to a photoreceptor for preventing toner spill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14756987U JPS6451970U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14756987U JPS6451970U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451970U true JPS6451970U (en) | 1989-03-30 |
Family
ID=31418091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14756987U Pending JPS6451970U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451970U (en) |
-
1987
- 1987-09-29 JP JP14756987U patent/JPS6451970U/ja active Pending
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