JPS56161558A - System for detecting disorder in copying apparatus - Google Patents

System for detecting disorder in copying apparatus

Info

Publication number
JPS56161558A
JPS56161558A JP6571980A JP6571980A JPS56161558A JP S56161558 A JPS56161558 A JP S56161558A JP 6571980 A JP6571980 A JP 6571980A JP 6571980 A JP6571980 A JP 6571980A JP S56161558 A JPS56161558 A JP S56161558A
Authority
JP
Japan
Prior art keywords
disorder
copying apparatus
driving
microcomputer
conduction
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
JP6571980A
Other languages
Japanese (ja)
Inventor
Kenji Shibazaki
Masazumi Ito
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP6571980A priority Critical patent/JPS56161558A/en
Publication of JPS56161558A publication Critical patent/JPS56161558A/en
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To enable exact and automatic diagnosis of disorder by double checking with a simple structure, by checking the driving circuit for controlling a microcomputer in an intrinsic nonoperation state or a simulated operation state in detecting disorder of an electrophotographic machine or the like. CONSTITUTION:When a switch 12 for automatically diagnosing a copying apparatus or the like sequentially controlled with a microcomputer 1 is turned on and its closure is detected, occurrence of disorder in a driving circuit 2a for driving a paper feed solenoid 25, etc. is detected by conduction of a transistor 16. When disorder is diagnosed in this nonoperation state, a position corresponding to the cause of the disorder is converted into a simulated operation state via the computer 1, conduction of the transistor 29, disconnection of the solenoid 25, that of a paper feed connector, etc. are checked, and the other driving circuits are doubly checked likewise.
JP6571980A 1980-05-16 1980-05-16 System for detecting disorder in copying apparatus Pending JPS56161558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6571980A JPS56161558A (en) 1980-05-16 1980-05-16 System for detecting disorder in copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6571980A JPS56161558A (en) 1980-05-16 1980-05-16 System for detecting disorder in copying apparatus

Publications (1)

Publication Number Publication Date
JPS56161558A true JPS56161558A (en) 1981-12-11

Family

ID=13295103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6571980A Pending JPS56161558A (en) 1980-05-16 1980-05-16 System for detecting disorder in copying apparatus

Country Status (1)

Country Link
JP (1) JPS56161558A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01170423U (en) * 1988-05-20 1989-12-01
US4968872A (en) * 1987-11-27 1990-11-06 Minolta Camera Kabushiki Kaisha Image forming apparatus
US4994852A (en) * 1987-08-18 1991-02-19 Minolta Camera Kabushiki Kaisha Image forming apparatus having a malfunction detection device and power shutdown therefor
US5032874A (en) * 1987-01-30 1991-07-16 Minolta Camera Kabushiki Kaisha Image forming apparatus having a system for preventing overheating of the heat rollers
US5274423A (en) * 1988-04-08 1993-12-28 Minolta Camera Kabushiki Kaisha Image forming apparatus having temperature control at a fixing unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143649A (en) * 1978-04-29 1979-11-09 Omron Tateisi Electronics Co Copying machine
JPS5590963A (en) * 1978-12-29 1980-07-10 Canon Inc Image former

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143649A (en) * 1978-04-29 1979-11-09 Omron Tateisi Electronics Co Copying machine
JPS5590963A (en) * 1978-12-29 1980-07-10 Canon Inc Image former

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032874A (en) * 1987-01-30 1991-07-16 Minolta Camera Kabushiki Kaisha Image forming apparatus having a system for preventing overheating of the heat rollers
US4994852A (en) * 1987-08-18 1991-02-19 Minolta Camera Kabushiki Kaisha Image forming apparatus having a malfunction detection device and power shutdown therefor
US4968872A (en) * 1987-11-27 1990-11-06 Minolta Camera Kabushiki Kaisha Image forming apparatus
US5274423A (en) * 1988-04-08 1993-12-28 Minolta Camera Kabushiki Kaisha Image forming apparatus having temperature control at a fixing unit
JPH01170423U (en) * 1988-05-20 1989-12-01

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