Ricoh D025 - Blown Fuse Conditions; Power Supply Unit

Electrical Component Defects
SM Appendix 7-9 D023/D025
Appendix
Electrical
Component
Defects
7.1.2 BLOWN FUSE CONDITIONS
Power Supply Unit
Rating
Fuse
115V 220V - 240V
Symptom when turning on the main switch
FU1 15A/125V 8A/250V
No response. (5V power to the PSU is not
supplied.)
FU2 10A/125V 6.3A/250V
No response. (5V power to the BICU and
controller is not supplied.)
FU3 2A/250V 1A/250V
5V power to the scanner heater and tray heater is
not supplied.
FU4 1A/250V 1A/250V 5V power to the SIO and heater is not supplied.
FU5 5A/250V 5A/250V 5V power to the IOB not supplied.
FU6 2A/250V 2A/125V 5VS power to the BICU not supplied.
FU7 10A/125V 10A/125V 24VS power to the IOB not supplied.
FU8 10A/125V 10A/125V 24VS power to the IOB not supplied.
FU9 6.3A/125V 6.3A/125V 24V power to the IOB not supplied.
FU10 6.3A/125V 6.3A/125V 24V power to the SIO not supplied.
FU11 6.3A/125V 6.3A/125V 24V power to the BICU and MB not supplied.
FU12 6.3A/125V 6.3A/125V 24V power to the PFU or LCT not supplied.
FU13 6.3A/125V 6.3A/125V 24V power to the finisher not supplied.
FU14 5A/250V 5A/250V 5V power to the BICU not supplied.