JPS55146466A - Fixing heater controller of electrophotographic copier - Google Patents

Fixing heater controller of electrophotographic copier

Info

Publication number
JPS55146466A
JPS55146466A JP5255079A JP5255079A JPS55146466A JP S55146466 A JPS55146466 A JP S55146466A JP 5255079 A JP5255079 A JP 5255079A JP 5255079 A JP5255079 A JP 5255079A JP S55146466 A JPS55146466 A JP S55146466A
Authority
JP
Japan
Prior art keywords
fixing
exterior
carried out
heater
fixing heater
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
JP5255079A
Other languages
Japanese (ja)
Inventor
Yoshihiro Ueda
Tsutomu Michino
Shoichi Otorii
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Priority to JP5255079A priority Critical patent/JPS55146466A/en
Publication of JPS55146466A publication Critical patent/JPS55146466A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To carry out stable heat fixing unaffected by exterior temperatures, by controlling the time length of current supply to a fixing heater using a switch changeable in accordance with the exterior temperatures.
CONSTITUTION: When the exterior temperature is low, temperature sensor 22 closes switch S, and relay Ry5 is excited by excitation of relay Ry2 for charging device, and held. As a result, magnet switch contact MC2-1 arranged in series with normally closed magent switch contact MC1-2 is closed, and current supply to heater 20 of a fixing unit is carried out in paper feed and charging cycle, too, to preheat the fixing unit before the normal heating term. When the exterior temperature is high, preheating is likewise carried out, but the fixing heater is controlled in such a manner that stable heat fixing unaffected by the exterior temperature is able to be carried out.
COPYRIGHT: (C)1980,JPO&Japio
JP5255079A 1979-05-01 1979-05-01 Fixing heater controller of electrophotographic copier Pending JPS55146466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5255079A JPS55146466A (en) 1979-05-01 1979-05-01 Fixing heater controller of electrophotographic copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5255079A JPS55146466A (en) 1979-05-01 1979-05-01 Fixing heater controller of electrophotographic copier

Publications (1)

Publication Number Publication Date
JPS55146466A true JPS55146466A (en) 1980-11-14

Family

ID=12917900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5255079A Pending JPS55146466A (en) 1979-05-01 1979-05-01 Fixing heater controller of electrophotographic copier

Country Status (1)

Country Link
JP (1) JPS55146466A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175A (en) * 1982-06-25 1984-01-05 Mita Ind Co Ltd Image forming device
JPS5934577A (en) * 1982-08-23 1984-02-24 Canon Inc Temperature controller
JPS60169658U (en) * 1984-04-20 1985-11-11 ウシオ電機株式会社 Flash fixing device
EP1560079A2 (en) * 2004-01-27 2005-08-03 Oki Data Corporation Image processing apparatus with preheating control for fuser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131140A (en) * 1973-04-19 1974-12-16
JPS5021735A (en) * 1973-05-24 1975-03-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131140A (en) * 1973-04-19 1974-12-16
JPS5021735A (en) * 1973-05-24 1975-03-07

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175A (en) * 1982-06-25 1984-01-05 Mita Ind Co Ltd Image forming device
JPS5934577A (en) * 1982-08-23 1984-02-24 Canon Inc Temperature controller
JPS60169658U (en) * 1984-04-20 1985-11-11 ウシオ電機株式会社 Flash fixing device
EP1560079A2 (en) * 2004-01-27 2005-08-03 Oki Data Corporation Image processing apparatus with preheating control for fuser
EP1560079A3 (en) * 2004-01-27 2012-09-19 Oki Data Corporation Image processing apparatus with preheating control for fuser

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