JPS5692557A - Copying machine - Google Patents

Copying machine

Info

Publication number
JPS5692557A
JPS5692557A JP17165879A JP17165879A JPS5692557A JP S5692557 A JPS5692557 A JP S5692557A JP 17165879 A JP17165879 A JP 17165879A JP 17165879 A JP17165879 A JP 17165879A JP S5692557 A JPS5692557 A JP S5692557A
Authority
JP
Japan
Prior art keywords
heater
switch
circuit
power source
current supply
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
JP17165879A
Other languages
Japanese (ja)
Other versions
JPS6311670B2 (en
Inventor
Tsuneo Saito
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP17165879A priority Critical patent/JPS5692557A/en
Publication of JPS5692557A publication Critical patent/JPS5692557A/en
Publication of JPS6311670B2 publication Critical patent/JPS6311670B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To save wasteful power consumption by starting the current supply to a heater when any of operation switch is operated and releasing the current supply to the heater after a fixed time in the switch operation other than a copying switch.
CONSTITUTION: Now, when power source switches 61, 62 are turned ON, a fan motor 7 is energized and runs, and a DC power source is outputted from a power source circuit 13. This causes a main control part 14 to output an FF set signal S2, by which an FF circuit 16 is set and a relay 19 is energized to close its normally open contact 19a, thereby energizing an electromagnetic switch 8 to close its contacts 81, 82. Hence, a heater control circuit 4 quickly heates a heater 3 by turning a thyristor 2 to a full conduction angle thereby holding the heater 3 at a set temp. When the copying switch is not turned ON despite lapse of a fixed time from this state, no timer reset signal S4 is outputted from the main control part 14, and a timer circuit 17 times up to output the signal by which the current supply to the heater 3 is interrupted.
COPYRIGHT: (C)1981,JPO&Japio
JP17165879A 1979-12-27 1979-12-27 Copying machine Granted JPS5692557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17165879A JPS5692557A (en) 1979-12-27 1979-12-27 Copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17165879A JPS5692557A (en) 1979-12-27 1979-12-27 Copying machine

Publications (2)

Publication Number Publication Date
JPS5692557A true JPS5692557A (en) 1981-07-27
JPS6311670B2 JPS6311670B2 (en) 1988-03-15

Family

ID=15927290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17165879A Granted JPS5692557A (en) 1979-12-27 1979-12-27 Copying machine

Country Status (1)

Country Link
JP (1) JPS5692557A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336996A1 (en) * 1982-10-11 1984-04-12 Konishiroku Photo Industry Co., Ltd., Tokyo Electrophotographic copier
JPS59146075A (en) * 1983-02-08 1984-08-21 Konishiroku Photo Ind Co Ltd Control method of heat fixing device
JPS59152474A (en) * 1983-02-18 1984-08-31 Canon Inc Image forming device
JPS61110182A (en) * 1984-11-02 1986-05-28 Sanyo Electric Co Ltd Toner fixing device
JPS61262777A (en) * 1985-05-17 1986-11-20 Mita Ind Co Ltd Controller for fixing part
JPH05313432A (en) * 1992-02-14 1993-11-26 Mita Ind Co Ltd Electrostatic copying machine provided with fixing device including electrical heating element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134732A (en) * 1976-05-06 1977-11-11 Sharp Corp Electrophotographic copier
JPS536041A (en) * 1976-07-06 1978-01-20 Ricoh Co Ltd Fixing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134732A (en) * 1976-05-06 1977-11-11 Sharp Corp Electrophotographic copier
JPS536041A (en) * 1976-07-06 1978-01-20 Ricoh Co Ltd Fixing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336996A1 (en) * 1982-10-11 1984-04-12 Konishiroku Photo Industry Co., Ltd., Tokyo Electrophotographic copier
JPS59146075A (en) * 1983-02-08 1984-08-21 Konishiroku Photo Ind Co Ltd Control method of heat fixing device
JPH0344298B2 (en) * 1983-02-08 1991-07-05 Konishiroku Photo Ind
JPS59152474A (en) * 1983-02-18 1984-08-31 Canon Inc Image forming device
JPS61110182A (en) * 1984-11-02 1986-05-28 Sanyo Electric Co Ltd Toner fixing device
JPS61262777A (en) * 1985-05-17 1986-11-20 Mita Ind Co Ltd Controller for fixing part
JPH05313432A (en) * 1992-02-14 1993-11-26 Mita Ind Co Ltd Electrostatic copying machine provided with fixing device including electrical heating element
JPH0731428B2 (en) * 1992-02-14 1995-04-10 三田工業株式会社 Electrostatographic copier with a fusing device including an electrical heating element

Also Published As

Publication number Publication date
JPS6311670B2 (en) 1988-03-15

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