JPS6434633U - - Google Patents

Info

Publication number
JPS6434633U
JPS6434633U JP12896387U JP12896387U JPS6434633U JP S6434633 U JPS6434633 U JP S6434633U JP 12896387 U JP12896387 U JP 12896387U JP 12896387 U JP12896387 U JP 12896387U JP S6434633 U JPS6434633 U JP S6434633U
Authority
JP
Japan
Prior art keywords
consumable unit
memory element
counting device
utility
volatile memory
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
Application number
JP12896387U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12896387U priority Critical patent/JPS6434633U/ja
Publication of JPS6434633U publication Critical patent/JPS6434633U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は複写機の斜視図、第２図は本考案の消
耗ユニツトカウント装置の１実施例を示す斜視図
、第３図は消耗品ユニツトの不揮発性素子のメモ
リと複写機本体の中のマイクロコンピユータとか
らなる消耗品ユニツトカウント回路を示す図、第
４図は、消耗品ユニツトカウント装置のフロー図
、第５図は、不揮発性素子のメモリからのデータ
の読み取り及び不揮発性素子のメモリへのデータ
の書き込みのタイミングチヤートを示す図である
。 １……複写機、２……感光体ドラムユニツト、
３……現像器ユニツト、４……カウンタ、５……
コネクタ、６……複写機本体の中のマイクロコン
ピユータ、７……不揮発性のメモリ素子（Ｅ２Ｐ
ＲＯＭ）。 FIG. 1 is a perspective view of a copying machine, FIG. 2 is a perspective view showing one embodiment of the consumable unit counting device of the present invention, and FIG. FIG. 4 is a flow diagram of the consumable unit counting device, and FIG. 5 is a diagram showing a consumable unit counting circuit consisting of a microcomputer. FIG. 5 is a flow diagram of the consumable unit counting device. FIG. 3 is a diagram showing a timing chart for writing data. 1... Copying machine, 2... Photosensitive drum unit,
3...Developer unit, 4...Counter, 5...
Connector, 6...Microcomputer in the copier body, 7...Non-volatile memory element ( E2P
ROM).

Claims (1)

【実用新案登録請求の範囲】 (1) 電子写真装置の消耗品ユニツトに不揮発性
のメモリ素子を設け、電子写真装置の本体部分に
、プリンテイングが行われるたびに該メモリ素子
内のデータを読み取り、該データをインクリメン
トし、再び前記メモリ素子内に書き込む手段を設
けたことを特徴とする消耗ユニツトカウント装置
。 (2) 不揮発性のメモリ素子内に記憶されたデー
タが消耗品ユニツトの寿命に達したとき、消耗品
ユニツトの交換を表示する手段を設けたことを特
徴とする実用新案登録請求の範囲第１項記載の消
耗ユニツトカウント装置。 (3) 不揮発性のメモリ素子内に記憶されたデー
タが消耗品ユニツトの寿命に達したとき、電子写
真装置のコピー動作を禁止する手段を設けたこと
を特徴とする実用新案登録請求の範囲第１項又は
第２項記載の消耗ユニツトカウント装置。[Claims for Utility Model Registration] (1) A non-volatile memory element is provided in a consumable unit of an electrophotographic apparatus, and data in the memory element is read each time printing is performed in the main body of the electrophotographic apparatus. . A consumable unit counting device, further comprising means for incrementing said data and writing it into said memory element again. (2) Claim 1 of the utility model registration, which is characterized by providing means for indicating that the consumable unit should be replaced when the data stored in the non-volatile memory element reaches the end of its lifespan. Consumable unit counting device as described in section. (3) Utility model registration claim No. 1, characterized in that the electrophotographic device is provided with a means for inhibiting the copying operation when the data stored in the non-volatile memory element reaches the end of the life of the consumable unit. The consumable unit counting device according to item 1 or 2.
JP12896387U 1987-08-25 1987-08-25 Pending JPS6434633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12896387U JPS6434633U (en) 1987-08-25 1987-08-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12896387U JPS6434633U (en) 1987-08-25 1987-08-25

Publications (1)

Publication Number Publication Date
JPS6434633U true JPS6434633U (en) 1989-03-02

Family

ID=31382790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12896387U Pending JPS6434633U (en) 1987-08-25 1987-08-25

Country Status (1)

Country Link
JP (1) JPS6434633U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04136866A (en) * 1990-09-28 1992-05-11 Canon Inc process cartridge
JP2011194262A (en) * 2000-02-10 2011-10-06 Masimo Corp Sensor life monitor system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429643A (en) * 1977-08-09 1979-03-05 Ricoh Co Ltd Service life detecting and display method of parts of copying machines
JPS58195854A (en) * 1982-05-11 1983-11-15 Canon Inc Counter of image forming device
JPS63212956A (en) * 1987-02-27 1988-09-05 Bando Chem Ind Ltd electrophotographic recording device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429643A (en) * 1977-08-09 1979-03-05 Ricoh Co Ltd Service life detecting and display method of parts of copying machines
JPS58195854A (en) * 1982-05-11 1983-11-15 Canon Inc Counter of image forming device
JPS63212956A (en) * 1987-02-27 1988-09-05 Bando Chem Ind Ltd electrophotographic recording device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04136866A (en) * 1990-09-28 1992-05-11 Canon Inc process cartridge
JP2011194262A (en) * 2000-02-10 2011-10-06 Masimo Corp Sensor life monitor system

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