Blown Fuse Conditions; Power Supply Unit - Ricoh D037 Service Manual

Electrical Component Defects
Sensor Name/
No.
Sensor Board Name

8.1.2 BLOWN FUSE CONDITIONS

Power Supply Unit

Fuse
115V
FU101 15A/125V
FU102 10A/125V
FU103 2A/250V
FU4 5A/250V
FU5 5A/250V
FU6 5A/250V
FU7 10A/125V
FU8 10A/125V
FU9 6.3A/125V
For continued protection against risk of fire, replace only with same type and rating
of fuse.
D037/D038/D040/D041
Active
Rating
220V - 240V
The i-controller works, but SC547 is issued. (5V
8A/250V
power to the fusing unit is not supplied.)
No response. (5V power to the PSU is not
5A/250V
supplied.)
5V power to the scanner heater and tray heater is
2A/250V
not supplied.
5V power to the i-controller and BCU is not
5A/250V
supplied.
5A/250V 5V power to the BCU is not supplied.
5A/125V 5VS power to the i-controller is not supplied.
10A/125V 24VS power to the BCU is not supplied.
10A/125V 24VS power to the BCU is not supplied.
24V power to the DRB and i-controller is not
6.3A/125V
supplied.
CN Condition
Shorted
Symptom when turning on the main switch
8-6
Symptom
"Open cover" cannot be
detected.
SM Appendix