Ricoh Aficio MP C2050 Service Manual

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

Ricoh Aficio MP C2050 Specifications