JPS55146466A - Fixing heater controller of electrophotographic copier - Google Patents
Fixing heater controller of electrophotographic copierInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131140A (en) * | 1973-04-19 | 1974-12-16 | ||
JPS5021735A (en) * | 1973-05-24 | 1975-03-07 |
-
1979
- 1979-05-01 JP JP5255079A patent/JPS55146466A/en active Pending
Patent Citations (2)
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)
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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