Service manual

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