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Chapter 4
4.2 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
4.2.1 Outline
Among the LEDs and check pins of this machine, only those handled during field servicing are listed below.
Check pins not listed in the list are used only in the factory. When performing adjustments and checks using these check pins, special tools and measuring
instruments are required. Do not touch them during field servicing.
4.2.2 ADF Driver PCB
4.2.3 Relay PCB
10
PCB1
M1
PCB2
M2
SL1
SL2
F-4-2
6
2
1
CN9
CN5
F-4-3
9
7
1
CN32
PI2
F-4-4
1
9
1
7
CN7 1
CN8
1
CN31
PI1
0010-3951
0010-3952
0010-3953
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