Ricoh P C301W - Page 269

7.Detailed Descriptions
257
No.
Name
No.
Name
1
OPU (PCB7)
4
FCU (PCB8) *Only MF model
2
EGB (Engine board) (PCB1)
5
Controller board (PCB2)
3
Speaker *Only MF model
Fans, Boards, Switches
No.
Name
No.
Name
1
Temperature/humidity sensor (S7)
7
PSU cooling fan (FAN3)
2
HVPS (PCB3)
8
LSU fan (FAN1)
3
Fusing thermopile anti-condensation fan (FAN4)
9
AC detection board (PCB5)
4
ID chip board (PCB6)
10
Interlock switch 3 (SW3)
5
PSU (PCB4)
11
Interlock switch 2 (SW2)
6
Fusing fan (FAN2)
12
Interlock switch 1 (SW1)