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5. PWB
2
11
8
10
1
PRT controller
2
PCU PWB
3
Power unit
4
LD PWB (Inside LSU)
5
Mother PWB
6
Filter PWB
7
Printer operation PWB
8
High voltage resistor PWB
9
Cassette detection PWB
10
Drawer PWB
11
High voltage PWB
12
Fuse PWB
13
Initial detection PWB (in the developing unit)
1
9
4
Name
Image process, image data communication control
Overall control of the machine and options
DC power supply
Laser ON control (Inside LSU: LSU cannot be disassembled.)
Signal interface between PCU and the controller
AC power input
Key input, machine state display
High voltage load adjustment
Paper cassette control
Fan control
High voltage power supply
Protection of the machine when an abnormal power is supplied.
New toner cartridge detection
AR-P350 EXTERNAL VIEWS AND INTERNAL STRUCTURES-4
3
13
Function/Operation
12
7
5
6
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