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JPS55143574A - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
JPS55143574A
JPS55143574A JP5174779A JP5174779A JPS55143574A JP S55143574 A JPS55143574 A JP S55143574A JP 5174779 A JP5174779 A JP 5174779A JP 5174779 A JP5174779 A JP 5174779A JP S55143574 A JPS55143574 A JP S55143574A
Authority
JP
Japan
Prior art keywords
circuit
pressing
roller
state
main motor
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
Application number
JP5174779A
Other languages
Japanese (ja)
Other versions
JPS624714B2 (en
Inventor
Shinnosuke Taniishi
Masahito Ishida
Tsukasa Kuge
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP5174779A priority Critical patent/JPS55143574A/en
Publication of JPS55143574A publication Critical patent/JPS55143574A/en
Publication of JPS624714B2 publication Critical patent/JPS624714B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To lower noise by pressing a roller pair for 5-30 seconds upon completion of copying cycle, thence maintaining or releasing the pressing state depending upon whether a signal is applied within the foregoing time or stopping the roller pair and maintaining the pressing in that state. CONSTITUTION:As a pressure lever 32 turns, it assumes the shape that a stopper roller 44 is caught by its hook part and its position is fixed. Since a fixing device lever 35 is also fixed, a pressure roller 19 maintains the state that it is pressed to a fixing roller. On the other hand, a copying machine control circuit 51 drives a main motor M by way of a main motor drive circuit 52 when a copying button B is turned ON. 53 is the delay circuit which receives the motor drive signal from the circuit 51 and generates a plunger drive signal. Since it is delayed from the circuit 51 upon completion of the signal oscillation, the pressing state of the rollers 18, 19 is maintained for 5-30 seconds even if the main motor is not running.
JP5174779A 1979-04-26 1979-04-26 Copying apparatus Granted JPS55143574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5174779A JPS55143574A (en) 1979-04-26 1979-04-26 Copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5174779A JPS55143574A (en) 1979-04-26 1979-04-26 Copying apparatus

Publications (2)

Publication Number Publication Date
JPS55143574A true JPS55143574A (en) 1980-11-08
JPS624714B2 JPS624714B2 (en) 1987-01-31

Family

ID=12895513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5174779A Granted JPS55143574A (en) 1979-04-26 1979-04-26 Copying apparatus

Country Status (1)

Country Link
JP (1) JPS55143574A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008304866A (en) * 2007-06-11 2008-12-18 Canon Inc Image forming apparatus, control method for image forming apparatus, program, and storage medium
JP2013020275A (en) * 2012-10-29 2013-01-31 Canon Inc Image forming apparatus, control method of image forming apparatus, and program

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120344A (en) * 1974-02-22 1975-09-20
JPS50127643A (en) * 1974-02-22 1975-10-07
JPS5158348A (en) * 1974-11-16 1976-05-21 Kip Kk TEICHAKUSOCHI
JPS5177244A (en) * 1974-12-13 1976-07-05 Canon Kk
JPS5313428A (en) * 1977-04-11 1978-02-07 Canon Inc Image forming apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120344A (en) * 1974-02-22 1975-09-20
JPS50127643A (en) * 1974-02-22 1975-10-07
JPS5158348A (en) * 1974-11-16 1976-05-21 Kip Kk TEICHAKUSOCHI
JPS5177244A (en) * 1974-12-13 1976-07-05 Canon Kk
JPS5313428A (en) * 1977-04-11 1978-02-07 Canon Inc Image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008304866A (en) * 2007-06-11 2008-12-18 Canon Inc Image forming apparatus, control method for image forming apparatus, program, and storage medium
US8774663B2 (en) 2007-06-11 2014-07-08 Canon Kabushiki Kaisha State-based control of fixing unit of image-forming apparatus
JP2013020275A (en) * 2012-10-29 2013-01-31 Canon Inc Image forming apparatus, control method of image forming apparatus, and program

Also Published As

Publication number Publication date
JPS624714B2 (en) 1987-01-31

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