Electrical Component Defects; Blown Fuse Conditions - Ricoh M052 Service Manual

Electrical Component Defects

6.2 ELECTRICAL COMPONENT DEFECTS

6.2.1 BLOWN FUSE CONDITIONS

Power Supply Unit
Rating
Fuse
120V
FU101 15A/250V
FU102 10A/250V
FU201 10A/250V
FU202 10A/250V
FU203 10A/250V
FU208 5A/250V
For continued protection against risk of fire, replace only with same type and rating of
fuse.
M052/M053/M054
Symptom when turning on the main switch
No response. (5V power to the PSU is not
supplied.)
No response. (5V power to the PSU is not
supplied.)
24V power to the BICU is not supplied. "Cover
Open" message is displayed even if the cover is
closed.
24V power to the BICU is not supplied. The power
to the finisher or optional PFU cannot be supplied.
24V and 12V power to the BICU are not supplied.
SC may be issued.
5V power to the BICU is not supplied.
6-32 SM