JPS5692557A - Copying machine - Google Patents
Copying machineInfo
- 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
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
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)
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)
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 |
-
1979
- 1979-12-27 JP JP17165879A patent/JPS5692557A/en active Granted
Patent Citations (2)
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)
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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