Chapter 9
9-3
9.1.3 IH Fixing Method (outline)
0009-3746
The machine uses the IH fixing method.
F-9-3
[1] Fixing roller
[2] Excitation coil
[3] Core
[4] Pressure roller
Note:
The arrow in the figure shows the direction of paper movement.
F-9-4
INV_ON: fixing heater power ON signal
PWM_OUT: fixing heater power supply control signal
DCON: DC controller PCB
IH DRIVER: fixing heater driver PCB
MEMO:
The term IH stands for "induction heating."
When high-frequency current is supplied to a coil arranged inside a heater unit, a high-frequency magnetic field develops around the coil. The filed serves
to permit the flow of eddy current (induction current) to the fixing roller, causing the roller to heat on its own.
[2] Main thermistor (THM1)
[6] Flux blocking plate (shutter)
[3] Thermal switch (TP1)
[7] Shutter HP sensor (PS53)
[4] Shutter thermistor (THM3)
[1]
[4]
[2]
[3]
IH DRIVER
INV_ON
PWM_OUT
DCON
J1040
J2402
J130
Summary of Contents for iR5570 Series
Page 1: ...Mar 29 2005 Service Manual iR6570 5570 Series ...
Page 2: ......
Page 6: ......
Page 26: ...Contents ...
Page 27: ...Chapter 1 Introduction ...
Page 28: ......
Page 30: ......
Page 55: ...Chapter 2 Installation ...
Page 56: ......
Page 58: ...Contents 2 9 3 Mounting the Cassette Heater 2 34 ...
Page 98: ......
Page 99: ...Chapter 3 Basic Operation ...
Page 100: ......
Page 102: ......
Page 110: ......
Page 111: ...Chapter 4 Main Controller ...
Page 112: ......
Page 114: ......
Page 135: ...Chapter 5 Original Exposure System ...
Page 136: ......
Page 181: ...Chapter 6 Laser Exposure ...
Page 182: ......
Page 184: ......
Page 192: ......
Page 193: ...Chapter 7 Image Formation ...
Page 194: ......
Page 198: ......
Page 259: ...Chapter 8 Pickup Feeding System ...
Page 260: ......
Page 350: ......
Page 351: ...Chapter 9 Fixing System ...
Page 352: ......
Page 401: ...Chapter 10 External and Controls ...
Page 402: ......
Page 406: ......
Page 448: ......
Page 449: ...Chapter 11 MEAP ...
Page 450: ......
Page 452: ......
Page 455: ...Chapter 12 Maintenance and Inspection ...
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Page 468: ......
Page 469: ...Chapter 13 Standards and Adjustments ...
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Page 505: ...Chapter 14 Correcting Faulty Images ...
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Page 508: ......
Page 537: ...Chapter 15 Self Diagnosis ...
Page 538: ......
Page 540: ......
Page 565: ...Chapter 16 Service Mode ...
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Page 568: ......
Page 633: ...Chapter 17 Upgrading ...
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Page 641: ...Chapter 17 17 5 F 17 4 HDD Boot ROM Flash ROM System Software ...
Page 646: ...Chapter 17 17 10 F 17 11 8 Click START F 17 12 ...
Page 675: ...Chapter 17 17 39 F 17 59 2 Select the data to download F 17 60 3 Click Start ...
Page 677: ...Chapter 18 Service Tools ...
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Page 683: ...Mar 29 2005 ...
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