Minolta EPI 054 User Manual page 330

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
Symptom Step
Power is not Is the source voltage being
supplied to the supplied to the circuit
1
copier at all. across PJ1-1 and 2 of
PU2?
Is the voltage across PJ2-2
of PU2 and GND, and
2
across PJ2-3 on PU2 and
GND, DC24V?
Is the voltage across PJ2-1
3
of PU2 and GND DC24V?
Is the voltage across PJ2C-
6 on PWB-C and GND, and
4
across PJ2C-8 on PWB-C
and GND, DC24V?
Only the control Only the control panel Indi-
panel Indicators 5 cators light up?
light up.
If the problem persists even after the above procedures, the harness is probably short-
circuited.
Check the harnesses.
Check Item Result
NO
NO
NO
NO
YES
T-62
Action
Check Fuse or line voltage.
Check Fuse of PU2 or
replace PU2.
Check Fuse of PU2 or
replace PU2.
Check Fuse of PWB-C or
replace PWB-C.
Replace PWB-A.