JPH03117246U - - Google Patents
Info
- Publication number
- JPH03117246U JPH03117246U JP2632290U JP2632290U JPH03117246U JP H03117246 U JPH03117246 U JP H03117246U JP 2632290 U JP2632290 U JP 2632290U JP 2632290 U JP2632290 U JP 2632290U JP H03117246 U JPH03117246 U JP H03117246U
- Authority
- JP
- Japan
- Prior art keywords
- photosensitive drum
- potential
- detecting means
- surface potential
- axial direction
- 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
- 238000005259 measurement Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１図および第２図は本考案の一実施例を示す
図で、第１図は要部を示す図、第２図は感光ドラ
ムの表面電位を測定する様子を示す図である。第
３図および第４図は従来の電子写真装置を示す図
で、第３図は概略構成を示す図、第４図は感光ド
ラムの表面電位を定位置で測定する様子を示す図
である。
１……感光ドラム、１２……表面電位測定用プ
ローブ（電位検知手段）、２１……移動手段。
1 and 2 are diagrams showing an embodiment of the present invention, with FIG. 1 showing the main part, and FIG. 2 showing how the surface potential of a photosensitive drum is measured. 3 and 4 are diagrams showing a conventional electrophotographic apparatus, with FIG. 3 showing a schematic configuration and FIG. 4 showing how the surface potential of a photosensitive drum is measured at a fixed position. 1... Photosensitive drum, 12... Surface potential measurement probe (potential detection means), 21... Moving means.
Claims (1)
可能な電位検知手段を備えた電子写真装置におい
て、 前記電位検知手段を所定範囲内で前記感光ドラ
ムの軸線方向に移動させる移動手段を設けたこと
を特徴とする電子写真装置。[Claims for Utility Model Registration] In an electrophotographic apparatus equipped with a potential detecting means capable of detecting a surface potential at a predetermined position of a photosensitive drum, movement of the potential detecting means in the axial direction of the photosensitive drum within a predetermined range. An electrophotographic device characterized by being provided with means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2632290U JPH03117246U (en) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2632290U JPH03117246U (en) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117246U true JPH03117246U (en) | 1991-12-04 |
Family
ID=31529224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2632290U Pending JPH03117246U (en) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117246U (en) |
-
1990
- 1990-03-15 JP JP2632290U patent/JPH03117246U/ja active Pending