Specifications

Interleaf EP1052 TROUBLESHOOTING
96.11.01
T-44
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 3 of
PU2?
NO
Check Fuse or line voltage.
2
Is the voltage across PJ3-1
of PU2 and GND, and
across PJ3-3 on PU2 and
GND, DC24V?
NO
Check Fuse of PU2 or re-
place PU2.
3
Is the voltage across
PJ1C-3 on PWB-C and
GND, and across PJ1C-5
on PWB-C and GND,
DC24V?
NO
Check S1 and S21.
4
Is LD1 on PWB-A lit up?
NO
Check Fuse of PWB-C or
replace PWB-C.
Only the control
panel Indicators
light up.
5
Is the voltage across
PJ1C-3 on PWB-C and
GND DC24V?
NO
Check S21.
RY1 is not
energized.
6
Is the voltage across
PJ1A-14 on PWB-A and
GND, and across PJ1A-15
on PWB-A and GND, near
DC0V?
NO
Replace PWB-A.
7
Is the voltage across
PJ1C-2 on PWB-C and
GND DC24V after the
Power Switch has been
turned ON?
NO
Replace PWB-C.
8
Is the voltage across
PJ1C-1 on PWB-C and
GND DC0V after the Power
Switch has been turned
ON?
NO
Check RY1.
* If the problem persists even after the above procedures, the harness is probably short-circuited.
Check the harnesses.