Machine Overview
SM 7-21 D0CA/D0C9/D0C8/D0CB
Callout Item Callout Item
1 Fusing Unit Cooling Fan (FAN1) 8 PSU Exhaust Fan (FAN4)
2 High-Voltage Power Supply
(Development) (PCB22)
9 PSU AC (PCB17)
3 LD Unit Cooling Fan (FAN2) 10 High-Voltage Power Supply
(Transfer) (PCB23)
4 PCDU Cooling Fan (FAN3) 11 PSU DC (PCB16)
5 Controller Board (PCB24) 12 BiCU (PCB1)
6 HDD 13 Paper Exit Exhaust Fan (FAN5)
*1
7 AC Detection Board (PCB18) - -
*1 IM C400SRF only
ADF Unit
No. Name No. Name
1 Original Feed Clutch (CL4) 5 ADF Relay Board (PCB13)
2 Original Feed Sensor (S25) 6 ADF Motor (M8)
3 Registration Sensor (S24) 7 ADF Top Cover Sensor (S23)
4 CIS (S21) 8 Original Set Sensor (S22)