JPH0411558U - - Google Patents
Info
- Publication number
- JPH0411558U JPH0411558U JP5315590U JP5315590U JPH0411558U JP H0411558 U JPH0411558 U JP H0411558U JP 5315590 U JP5315590 U JP 5315590U JP 5315590 U JP5315590 U JP 5315590U JP H0411558 U JPH0411558 U JP H0411558U
- Authority
- JP
- Japan
- Prior art keywords
- density
- toner
- developing device
- latent image
- image
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第1図は本考案実施例による画像形成装置の要
部構成を示す配置図、第2図は第1図に示した要
部の制御部を説明するためのブロツク図、第3図
は第2図に示した制御部に関係する構造を示す斜
視図、第4図は第2図に示した制御部の作用を説
明するためのフローチヤートである。
1……画像形成装置、2……感光体、2A……
基準濃度潜像パターン、5……現像装置、5C3
……補給ローラ、5C4……駆動モータ、8……
制御部、9……濃度センサ。
FIG. 1 is a layout diagram showing the configuration of the main parts of an image forming apparatus according to an embodiment of the present invention, FIG. 2 is a block diagram for explaining the control section of the main parts shown in FIG. 1, and FIG. FIG. 4 is a perspective view showing a structure related to the control section shown in the figure, and FIG. 4 is a flowchart for explaining the operation of the control section shown in FIG. 1... Image forming device, 2... Photoreceptor, 2A...
Reference density latent image pattern, 5...Developing device, 5C3
... Replenishment roller, 5C4 ... Drive motor, 8 ...
Control unit, 9...concentration sensor.
Claims (1)
露光し、この潜像パターンを現像することで現像
されたトナー像の濃度を複数回検知し、その平均
値によつてトナーの補給制御を行う現像装置を備
えた画像形成装置において、 上記感光体上に形成される基準濃度潜像パター
ンに対して光学的に濃度検知を行う濃度センサと
、 上記濃度センサを入力側にそして出力側には、
上記現像装置内のトナー補給装置の駆動部が接続
されている制御部とを備え、 上記制御部は、複数回の濃度検知によるサンプ
リングデータのうち、データの値が平均値に近い
値を複数個選出し、選出された平均値によつてト
ナーの補給開始を設定することを特徴とする現像
装置を備えた画像形成装置。[Claims for Utility Model Registration] A reference electrostatic latent image pattern is exposed on the non-image area on the photoreceptor, and the density of the developed toner image is detected multiple times by developing this latent image pattern, and the average density of the developed toner image is detected multiple times. In an image forming apparatus equipped with a developing device that controls toner replenishment based on a value, a density sensor that optically detects the density of a reference density latent image pattern formed on the photoreceptor; on the input side and on the output side,
a control unit to which a drive unit of a toner replenishing device in the developing device is connected; An image forming apparatus equipped with a developing device characterized in that the start of replenishment of toner is set based on the selected average value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5315590U JPH0411558U (en) | 1990-05-22 | 1990-05-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5315590U JPH0411558U (en) | 1990-05-22 | 1990-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0411558U true JPH0411558U (en) | 1992-01-30 |
Family
ID=31574101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5315590U Pending JPH0411558U (en) | 1990-05-22 | 1990-05-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0411558U (en) |
-
1990
- 1990-05-22 JP JP5315590U patent/JPH0411558U/ja active Pending