Canon ImageRunner iR8500 Series, Руководство по обслуживанию, Страница: 781 / 1122

Chapter 15
15-53
15.3.7.2 PCBs
0008-9140
iR85+
F-15-40
AC driver PCB PCB20 Drive the fixing heater.
Environment sensor PCB PCB22 Detects the machine outside temperature/
humidity.
Stackless feeder driver PCB PCB23 Drives the duplex/feeder unit.
Cassette 3 paper level detection PCB PCB24 Detects the level of paper in the cassette 3.
Cassette 4 paper level detection PCB PCB25 Detects the level of paper in the cassette 4.
Laser scanner motor drive PCB PCB26 Drives the laser scanner motor.
Light adjustment control PCB PCB27 Controls the intensity of the fluorescent lamp.
Light adjustment sensor PCB PCB28 Detects the intensity of the fluorescent lamp.
Original orientation detection PCB PCB29 Detects the orientation of the original.
Transformer PCB PCB31 Supplies inverter power.
Capacitor PCB (200V model only) PCB32 Prevents electrical noise
Controls panel CPU PCB PCB33 Controls the control panel.
Control panel PCB PCB34 Controls panel key inputs and LED indications.
Control panel inverter PCB PCB35 Controls the activation of the LCD.
Name Notation Function
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[3]
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[15]
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[10]
[13]
[20]
[23]
[25]
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[22]
[19]
[18]
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[30]
[26]
[7]
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[31]
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