JPH02107162U - - Google Patents
Info
- Publication number
- JPH02107162U JPH02107162U JP1530389U JP1530389U JPH02107162U JP H02107162 U JPH02107162 U JP H02107162U JP 1530389 U JP1530389 U JP 1530389U JP 1530389 U JP1530389 U JP 1530389U JP H02107162 U JPH02107162 U JP H02107162U
- Authority
- JP
- Japan
- Prior art keywords
- developer carrier
- amplitude
- wavelength range
- range corresponding
- surface roughness
- 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.)
- Granted
Links
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 2
- 238000004439 roughness measurement Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の弾性現像ローラの概略断面図
、第２図は本考案の弾性現像ローラの他の実施例
を示す概略断面図、第３図は表面粗さスペクトル
を用いて測定された本考案と従来の各弾性現像ロ
ーラの表面についての出力周波数ｆと出力電圧Ｖ
との関連等を示すグラフ、第４図は本考案と従来
の各弾性現像ローラの使用状態とトナーの帯電量
との関係を示すグラフ、第５図は本考案の弾性現
像ローラを表面粗さスペクトル、トナーの帯電量
、定着オフセツトランクとの関連を示すグラフ、
第６図、第７図は夫々従来の弾性現像ローラの概
略断面図である。
１……弾性現像ローラ（現像剤担持体）、５…
…表面層。
Fig. 1 is a schematic cross-sectional view of the elastic developing roller of the present invention, Fig. 2 is a schematic cross-sectional view showing another embodiment of the elastic developing roller of the present invention, and Fig. 3 is a roughness measurement using a surface roughness spectrum. Output frequency f and output voltage V for the surface of each elastic developing roller of the present invention and the conventional one
Figure 4 is a graph showing the relationship between the use conditions of each elastic developing roller of the present invention and the conventional elastic developing roller and the amount of toner charge. Figure 5 is a graph showing the relationship between the elastic developing roller of the present invention and the amount of toner charge. Graph showing the relationship between spectrum, toner charge amount, and fixing offset rank,
FIGS. 6 and 7 are schematic cross-sectional views of conventional elastic developing rollers, respectively. 1... Elastic developing roller (developer carrier), 5...
...surface layer.
Claims (1)
給する現像剤担持体において、現像剤担持体の表
面には弾性を有する材料で摩耗性を有する樹脂を
被覆し、その樹脂の表面形状をトナー粒径に相当
する波長域において表面粗さの振幅を１０ｎｍ程
度とし、トナー表面の凹凸に相当する波長域にお
いて表面粗さの振幅を１Å程度とすることを特徴
とする一成分現像装置における現像剤担持体。 In a developer carrier that supplies a one-component developer to a photoreceptor on which an electrostatic latent image has been formed, the surface of the developer carrier is coated with an abrasive resin made of an elastic material, and the surface shape of the resin is In a one-component developing device, the amplitude of the surface roughness is about 10 nm in the wavelength range corresponding to the toner particle size, and the amplitude of the surface roughness is about 1 Å in the wavelength range corresponding to the unevenness of the toner surface. Developer carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1530389U JPH071637Y2 (en) | 1989-02-14 | 1989-02-14 | Developer carrier in one-component developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1530389U JPH071637Y2 (en) | 1989-02-14 | 1989-02-14 | Developer carrier in one-component developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107162U true JPH02107162U (en) | 1990-08-27 |
| JPH071637Y2 JPH071637Y2 (en) | 1995-01-18 |
Family
ID=31227237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1530389U Expired - Lifetime JPH071637Y2 (en) | 1989-02-14 | 1989-02-14 | Developer carrier in one-component developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071637Y2 (en) |
-
1989
- 1989-02-14 JP JP1530389U patent/JPH071637Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071637Y2 (en) | 1995-01-18 |