JPH0192664U - - Google Patents
Info
- Publication number
- JPH0192664U JPH0192664U JP18981087U JP18981087U JPH0192664U JP H0192664 U JPH0192664 U JP H0192664U JP 18981087 U JP18981087 U JP 18981087U JP 18981087 U JP18981087 U JP 18981087U JP H0192664 U JPH0192664 U JP H0192664U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- toner cartridge
- developing device
- replaced
- counts
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本実施例の現像器の構成図、第２図は
本実施例の現像器が使用された画像形成装置の概
略構成図、第３図ａ，ｂはスライド部材の位置を
説明する構成図、第４図は本実施例の現像器の補
給回数制約部の構成図、第５図はトナーカートリ
ツジ縁部の構成図、第６図ａはトナーカートリツ
ジのシール部材を引き抜く時の操作説明図、第６
図ｂ，ｃは同図ａのレバー状態変化を示す説明図
、第７図ａ，ｂはトナーカートリツジの装着状態
を示す断面図、第８図は従来の現像器へトナー補
給をする時の操作説明図である。
１０……現像器、２３……ケーシング、２３ａ
……供給口、２５……補給回数制約部、２６……
トナーカートリツジ、２８……シール部材、２９
……引き剥がし部材、３３……スライド部材、３
４……コイルバネ、３７，３７′……係止片、３
８，３８′……ロツク片、３９，３９′……被係
止片、４３……回転軸、４５……レバー、５０…
…カム、５０ａ……切欠部。
Fig. 1 is a block diagram of the developing device of this embodiment, Fig. 2 is a schematic block diagram of an image forming apparatus in which the developing unit of this embodiment is used, and Figs. 3 a and b explain the position of the slide member. FIG. 4 is a configuration diagram of the replenishment number restriction section of the developing device of this embodiment, FIG. 5 is a configuration diagram of the edge of the toner cartridge, and FIG. Operation explanatory diagram, 6th
Figures b and c are explanatory diagrams showing changes in the lever state in figure a, Figures 7 a and b are sectional views showing how the toner cartridge is installed, and Figure 8 is a diagram showing when toner is supplied to a conventional developing device. It is an operation explanatory diagram. 10...Developer, 23...Casing, 23a
... Supply port, 25 ... Replenishment number restriction section, 26 ...
Toner cartridge, 28... Seal member, 29
...Peel-off member, 33...Slide member, 3
4... Coil spring, 37, 37'... Locking piece, 3
8, 38'... Lock piece, 39, 39'... Locked piece, 43... Rotating shaft, 45... Lever, 50...
...Cam, 50a...Notch.
Claims (1)
て着脱自在に取付けられる現像装置において、 前記トナーホツパ上部にセツトされトナーが収
容されたトナーカートリツジと、該トナーカート
リツジの交換回数を計数する計数機構と、該計数
機構が前記トナーカートリツジの交換を所定回数
計数することにより前記トナーカートリツジを前
記トナーホツパに対し取りはずし不可能な状態に
係止する係止機構 とを備えたことを特徴とする現像装置。[Claims for Utility Model Registration] A developing device having a toner hopper and detachably attached to the main body of an image forming apparatus, comprising: a toner cartridge set above the toner hopper and containing toner; A counting mechanism that counts the number of times the toner cartridge has been replaced; and a locking mechanism that locks the toner cartridge in a state where it cannot be removed from the toner hopper when the counting mechanism counts a predetermined number of times the toner cartridge has been replaced. A developing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987189810U JPH0544831Y2 (en) | 1987-12-14 | 1987-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987189810U JPH0544831Y2 (en) | 1987-12-14 | 1987-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0192664U true JPH0192664U (en) | 1989-06-16 |
| JPH0544831Y2 JPH0544831Y2 (en) | 1993-11-15 |
Family
ID=31480821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987189810U Expired - Lifetime JPH0544831Y2 (en) | 1987-12-14 | 1987-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544831Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61124052U (en) * | 1985-01-19 | 1986-08-05 |
-
1987
- 1987-12-14 JP JP1987189810U patent/JPH0544831Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61124052U (en) * | 1985-01-19 | 1986-08-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544831Y2 (en) | 1993-11-15 |
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