Blown Fuse Conditions - Ricoh D143 Field Service Manual

6. Troubleshooting
Sensor Name/
No.
Sensor Board Name
Heating Roller Rotation
S37
Sensor
Pressure Roller HP
S38
Sensor
Junction Paper Jam
S2
Sensor

Blown Fuse Conditions

Power Supply Unit
Fuse
115V
FU1 15A/250V
FU2 15A/250V
FU3*1 2A/250V
FU4*1 5A/250V
FU5*1 5A/250V
FU6*1 5A/250V
FU7 8A/250V
FU8 8A/250V
FU9 8A/250V
FU10 8A/250V
FU11 8A/250V
912
Activ
e
H/L CN210/2
L CN210/5
L CN204/6
Rating
220V - 240V
8A/250V No response. (5V power to the PSU is not supplied.
No response. (5V power to the IPU and controller is not
6.3A/250V
supplied.)
5V power to the scanner heater and tray heater is not
2A/250V
supplied.
5A/250V 5VE power to the SIO and IOB is not supplied.
5A/250V 5V power to the IOB not supplied.
5A/250V 5V power to the IPU not supplied.
8A/250V 24VS power to the IOB not supplied.
8A/250V 24VS power to the IOB not supplied.
8A/250V 24V power to the IOB and IPU not supplied.
8A/250V 24V power to the SIO not supplied.
8A/250V 24V power to the PFU or LCT and finisher not supplied.
CN Condition
Open/
SC584
Shorted
Open/
SC569
Shorted
Open/
Jam C (Jam 24/64)
Shorted
Symptom when turning on the main switch
Symptom