JPH0424767U - - Google Patents
Info
- Publication number
- JPH0424767U JPH0424767U JP6438790U JP6438790U JPH0424767U JP H0424767 U JPH0424767 U JP H0424767U JP 6438790 U JP6438790 U JP 6438790U JP 6438790 U JP6438790 U JP 6438790U JP H0424767 U JPH0424767 U JP H0424767U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- hopper section
- photoreceptor
- electrostatic latent
- latent 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
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図は第１図のカウンター部の回路例を
示す図、第３図は基準信号と画像信号のタイミン
グを示す図、第４図は第１図の動作を説明するた
めのフローチヤート、第５図は記録装置の一例と
してのレ−ザープリンタの構成概要図、第６図は
第５図の現像装置の構成を示す側断面図である。
１３……コントローラ、１４……エンジンドラ
イバ、１４−１……マイクロコンピユータ（ＣＰ
Ｕ）、１４−２……カウンター部、１４−３……
光制御部、１５……レーザーダイオード（ＬＤ）
、７５……トナーエンドセンサー。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing an example of the circuit of the counter section in FIG. 1, FIG. 3 is a diagram showing the timing of the reference signal and the image signal, and FIG. 4 is a flowchart for explaining the operation of FIG. 1, FIG. 5 is a schematic diagram of the configuration of a laser printer as an example of a recording device, and FIG. 6 is a side showing the configuration of the developing device shown in FIG. FIG. 13... Controller, 14... Engine driver, 14-1... Microcomputer (CP
U), 14-2... counter section, 14-3...
Light control unit, 15...Laser diode (LD)
, 75...Toner end sensor.
Claims (1)
パー部へトナーが供給され、該ホツパー部内のト
ナーを感光体へ付着させる現像ローラによつて、
該感光体上に形成された静電潜像を現像し、トナ
ー補給機構と該ホツパー部内に設けられたトナー
エンド検出器を備えた現像ユニツトを有するレー
ザープリンタ等の記録装置において、 コントローラが生成した黒ドツト数の計数手段
と、該計数手段で計数された黒ドツト数から画像
比率を算出し、かつ、トナーエンド検知後のプリ
ント可能枚数を決定する制御手段とを備えたこと
を特徴とするプリント枚数の可変制御装置。[Claims for Utility Model Registration] Toner is supplied from the inside of the toner cartridge of the developing unit to the hopper section, and a developing roller causes the toner in the hopper section to adhere to the photoreceptor,
In a recording device such as a laser printer, which develops the electrostatic latent image formed on the photoreceptor and has a developing unit equipped with a toner replenishment mechanism and a toner end detector provided in the hopper section, a controller generates an electrostatic latent image. A print comprising a means for counting the number of black dots, and a control means for calculating an image ratio from the number of black dots counted by the counting means and determining the number of printable sheets after toner end detection. Variable number control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438790U JPH0424767U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438790U JPH0424767U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424767U true JPH0424767U (en) | 1992-02-27 |
Family
ID=31595290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6438790U Pending JPH0424767U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424767U (en) |
-
1990
- 1990-06-20 JP JP6438790U patent/JPH0424767U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0629927B1 (en) | Electrostatographic single-pass multiple station printer with register control | |
| US5339150A (en) | Mark detection circuit for an electrographic printing machine | |
| US4994678A (en) | Apparatus for detecting a sheet by displacement of a roller | |
| US5541634A (en) | Color printer with shiftable laser unit | |
| JPH05330196A (en) | Image recording apparatus | |
| US5450164A (en) | Electrophotographic imaging device with marking function | |
| JPH09197919A (en) | Color image recording device and its accessory unit | |
| JPS63160938A (en) | Image forming device | |
| JPH06222633A (en) | Electrophotographic printing device | |
| JP2859623B2 (en) | Image forming device | |
| KR100238584B1 (en) | How to improve printing speed of image recording device | |
| JP2973488B2 (en) | Image forming device | |
| JPH09109449A (en) | Image forming device | |
| JPH0844257A (en) | Image forming device | |
| JPS6064881A (en) | White page detecting method in both-side laser printer | |
| JP2000147417A5 (en) | ||
| JPH0485351U (en) | ||
| JPH05225B2 (en) | ||
| JPH0241031B2 (en) | TONAAHOKYUSEIGYOKAIRO | |
| JPH04320280A (en) | Multicolor electronic printer | |
| KR20050062971A (en) | Apparatus and method for measuring toner consumption quantity in image forming device | |
| JPS61290472A (en) | Copying device | |
| JPS6281965U (en) | ||
| JPS63132971U (en) | ||
| JPH08313985A (en) | Camera data recorder |