JPS6424342U - - Google Patents
Info
- Publication number
- JPS6424342U JPS6424342U JP11773287U JP11773287U JPS6424342U JP S6424342 U JPS6424342 U JP S6424342U JP 11773287 U JP11773287 U JP 11773287U JP 11773287 U JP11773287 U JP 11773287U JP S6424342 U JPS6424342 U JP S6424342U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- usage amount
- printing
- operation mode
- unit usage
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Description
第１図は本実施例の液晶プリンタ内のシステム
ブロツク図、第２図は本実施例の液晶プリンタの
概略構成図、第３図ａ，ｂは簡欠プリントモード
と連続プリントモードの関係を説明するための構
成図、第４図は本実施例の液晶プリンタ内の全体
動作のフローチヤート、第５図はドラムセツトＤ
Ｓの寿命管理を示すフローチヤートである。
１……感光体ドラム、１３……排紙センサ、１
５……ＣＰＵ、１６……ＲＯＭ、１７……ＲＡＭ
、２０……用紙サイズ検出回路、ＤＳ……ドラム
セツト。
Fig. 1 is a system block diagram inside the liquid crystal printer of this embodiment, Fig. 2 is a schematic configuration diagram of the liquid crystal printer of this embodiment, and Figs. 3 a and b explain the relationship between the short print mode and the continuous print mode. 4 is a flowchart of the overall operation inside the liquid crystal printer of this embodiment, and FIG. 5 is a diagram of the drum set D.
This is a flowchart showing life management of S. 1... Photosensitive drum, 13... Paper discharge sensor, 1
5...CPU, 16...ROM, 17...RAM
, 20...Paper size detection circuit, DS...Drum set.
Claims (1)
能な電子写真プリンタに用いられる感光体ドラム
のドラム寿命管理装置において、 簡欠プリント動作モードか連続プリント動作モ
ードかを判別する判別手段と、各動作モードの１
プリント動作における前記ドラムの単位使用量を
記憶する記憶手段と、前記ドラムの使用量を積算
するドラム寿命カウンタとを有し、１プリント動
作毎に前記判別手段の判別結果に応じて前記記憶
手段より前記単位使用量を選択して前記ドラム寿
命カウンタに積算することを特徴とする電子写真
プリンタのドラム寿命管理装置。[Claim for Utility Model Registration] A drum life management device for a photosensitive drum used in an electrophotographic printer capable of selectively performing intermittent printing and continuous printing, which determines whether it is in intermittent print operation mode or continuous print operation mode. and one for each operation mode.
It has a storage means for storing the unit usage amount of the drum in a printing operation, and a drum life counter that adds up the usage amount of the drum, and the storage means stores the unit usage amount of the drum in accordance with the determination result of the determination means for each printing operation. A drum life management device for an electrophotographic printer, characterized in that the unit usage amount is selected and added to the drum life counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987117732U JPH0723816Y2 (en) | 1987-07-31 | 1987-07-31 | Electrophotographic printer drum life management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987117732U JPH0723816Y2 (en) | 1987-07-31 | 1987-07-31 | Electrophotographic printer drum life management device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6424342U true JPS6424342U (en) | 1989-02-09 |
| JPH0723816Y2 JPH0723816Y2 (en) | 1995-05-31 |
Family
ID=31361446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987117732U Expired - Lifetime JPH0723816Y2 (en) | 1987-07-31 | 1987-07-31 | Electrophotographic printer drum life management device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723816Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967558A (en) * | 1982-10-08 | 1984-04-17 | Canon Inc | Image forming device |
-
1987
- 1987-07-31 JP JP1987117732U patent/JPH0723816Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967558A (en) * | 1982-10-08 | 1984-04-17 | Canon Inc | Image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723816Y2 (en) | 1995-05-31 |