JPS6349227B2 - - Google Patents

Info

Publication number
JPS6349227B2
JPS6349227B2 JP59203985A JP20398584A JPS6349227B2 JP S6349227 B2 JPS6349227 B2 JP S6349227B2 JP 59203985 A JP59203985 A JP 59203985A JP 20398584 A JP20398584 A JP 20398584A JP S6349227 B2 JPS6349227 B2 JP S6349227B2
Authority
JP
Japan
Prior art keywords
photoreceptor
counter
fatigue
output
reset
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.)
Expired
Application number
JP59203985A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60173571A (ja
Inventor
Isao Nakamura
Susumu Tatsumi
Tatsuo Tani
Masumi Ikesue
Takashi Yano
Hiroyuki Idenawa
Nachio Seko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP59203985A priority Critical patent/JPS60173571A/ja
Publication of JPS60173571A publication Critical patent/JPS60173571A/ja
Publication of JPS6349227B2 publication Critical patent/JPS6349227B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
JP59203985A 1984-10-01 1984-10-01 電子式複写機の感光体の疲労度表示装置 Granted JPS60173571A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59203985A JPS60173571A (ja) 1984-10-01 1984-10-01 電子式複写機の感光体の疲労度表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59203985A JPS60173571A (ja) 1984-10-01 1984-10-01 電子式複写機の感光体の疲労度表示装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP1613177A Division JPS53102045A (en) 1977-02-18 1977-02-18 Indicator for fatigue of photosensitive body of electrophotographic copier

Publications (2)

Publication Number Publication Date
JPS60173571A JPS60173571A (ja) 1985-09-06
JPS6349227B2 true JPS6349227B2 (cg-RX-API-DMAC7.html) 1988-10-04

Family

ID=16482875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59203985A Granted JPS60173571A (ja) 1984-10-01 1984-10-01 電子式複写機の感光体の疲労度表示装置

Country Status (1)

Country Link
JP (1) JPS60173571A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309977A (ja) * 1987-06-11 1988-12-19 Ricoh Co Ltd 複写装置の制御方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041351A (ja) * 1983-08-16 1985-03-05 Nec Corp デ−タ伝送受信装置

Also Published As

Publication number Publication date
JPS60173571A (ja) 1985-09-06

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