JPH0349555U - - Google Patents
Info
- Publication number
- JPH0349555U JPH0349555U JP1989110234U JP11023489U JPH0349555U JP H0349555 U JPH0349555 U JP H0349555U JP 1989110234 U JP1989110234 U JP 1989110234U JP 11023489 U JP11023489 U JP 11023489U JP H0349555 U JPH0349555 U JP H0349555U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- toner
- resistor
- color
- stored
- 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 3
Landscapes
- Color Electrophotography (AREA)
Description
第１図は画像形成装置を制御する制御回路の要
部ブロツク図、第２図は現像器周辺の部分断面図
、第３図はメモリ２７の構成を示す図、第４図は
フローチヤート、第５図ａ，ｂはトナーセンサー
の出力特性を示す図である。
１……現像器、２……トナー格納部、３……現
像剤格納部、４……フイルム、５……現像ボツク
ス、６……スクリユー、７……トナーセンサー、
２１，２７……メモリ、２２……制御部、２３…
…Ａ／Ｄコンバータ、２８……コネクタ、２９…
…プルダウン抵抗。
FIG. 1 is a block diagram of the main parts of the control circuit that controls the image forming apparatus, FIG. 2 is a partial sectional view of the vicinity of the developing device, FIG. 3 is a diagram showing the configuration of the memory 27, FIG. 4 is a flowchart, and FIG. 5a and 5b are diagrams showing the output characteristics of the toner sensor. 1...Developer, 2...Toner storage section, 3...Developer storage section, 4...Film, 5...Development box, 6...Screw, 7...Toner sensor,
21, 27...memory, 22...control unit, 23...
...A/D converter, 28...Connector, 29...
...Pull-down resistance.
Claims (1)
る抵抗を備えた現像器と、該現像器の装着時、前
記抵抗が接続されるコネクタと、該コネクタが接
続され、前記抵抗の抵抗値により前記現像器に格
納されているトナーの色を判別する制御部とを備
えてなることを特徴とする画像形成装置。 a developing device including a resistor having a resistance value based on the color of toner to be stored; a connector to which the resistor is connected when the developing device is installed; An image forming apparatus comprising: a control section that determines the color of toner stored in a developing device.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989110234U JPH0349555U (en) | 1989-09-19 | 1989-09-19 | |
| US07/583,941 US5218409A (en) | 1989-09-19 | 1990-09-17 | Image forming apparatus |
| KR90014789A KR0137457B1 (en) | 1989-09-19 | 1990-09-19 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989110234U JPH0349555U (en) | 1989-09-19 | 1989-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0349555U true JPH0349555U (en) | 1991-05-15 |
Family
ID=31658782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989110234U Pending JPH0349555U (en) | 1989-09-19 | 1989-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349555U (en) |
-
1989
- 1989-09-19 JP JP1989110234U patent/JPH0349555U/ja active Pending