JPH0479362U - - Google Patents
Info
- Publication number
- JPH0479362U JPH0479362U JP12132090U JP12132090U JPH0479362U JP H0479362 U JPH0479362 U JP H0479362U JP 12132090 U JP12132090 U JP 12132090U JP 12132090 U JP12132090 U JP 12132090U JP H0479362 U JPH0479362 U JP H0479362U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- toner
- box
- flow
- developer flow
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例の現像装置を示す図
、第２図は現像剤正常流れ状態時の現像装置部分
拡大図、第３図は現像剤つまり状態時の現像装置
部分拡大図、第４図は本考案の現像剤つまり告知
回路図、第５図、第６図はトナー濃度制御時のタ
イムチヤートである。
１……感光ドラム、２……現像スリーブ、３…
…現像器フレーム、４，５……撹拌搬送ローラ、
６……トナー撹拌シヤフト、７……ドクター部材
、８……現像剤、９……シユータ、１０……トナ
ー濃度検出器、１１……現像剤流れ検出器、１２
……トナー、１３……トナー補給ローラ、１４…
…トナー収納用フレーム、１５……現像剤整流化
Ｂｏｘ、１６……オーバフロー現像剤、１７，１
８……ＬＣ発振回路、１９，２０……Ｆ／Ｖ変換
回路、２１，２２，２３，２８，２９，３０，３
４，３７……抵抗、２４，３１……比較器、２７
……リレコイル、３３……トナー補給モータ、３
６……リレー接点、３２……印字プロセス回路、
３９……電源。
FIG. 1 is a diagram showing a developing device according to an embodiment of the present invention, FIG. 2 is a partial enlarged view of the developing device when the developer is in a normal flow state, and FIG. 3 is a partial enlarged view of the developing device when the developer is clogged. FIG. 4 is a developer or notification circuit diagram of the present invention, and FIGS. 5 and 6 are time charts during toner density control. 1...Photosensitive drum, 2...Developing sleeve, 3...
...Developer frame, 4, 5...Agitation conveyance roller,
6... Toner stirring shaft, 7... Doctor member, 8... Developer, 9... Shooter, 10... Toner concentration detector, 11... Developer flow detector, 12
...Toner, 13...Toner supply roller, 14...
...Toner storage frame, 15...Developer rectification Box, 16...Overflow developer, 17,1
8...LC oscillation circuit, 19, 20...F/V conversion circuit, 21, 22, 23, 28, 29, 30, 3
4, 37... Resistor, 24, 31... Comparator, 27
... Relay coil, 33 ... Toner replenishment motor, 3
6... Relay contact, 32... Printing process circuit,
39...Power supply.
Claims (1)
置させた現像剤トナー濃度検出器において、その
Ｂｏｘ外壁の余乗現像剤が流れる位置に現像剤の
流れが検出できる現像剤流れ検出器を設けたこと
を特徴とする現像剤つまり検知装置。 In the cylindrical developer flow rectification box and the developer toner concentration detector installed inside, a developer flow detector capable of detecting the developer flow is provided at a position on the outer wall of the box where the covalent developer flows. A developer clogging detection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12132090U JPH0479362U (en) | 1990-11-21 | 1990-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12132090U JPH0479362U (en) | 1990-11-21 | 1990-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479362U true JPH0479362U (en) | 1992-07-10 |
Family
ID=31869180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12132090U Pending JPH0479362U (en) | 1990-11-21 | 1990-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479362U (en) |
-
1990
- 1990-11-21 JP JP12132090U patent/JPH0479362U/ja active Pending