![Minolta EP4000 General, Mechanical/Electrical Download Page 375](http://html.mh-extra.com/html/minolta/ep4000/ep4000_general-mechanical-electrical_1802966375.webp)
Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-100
u
C0F02
Step
Check Item
Result
Action
1
Are PJ62 on UN2 and PJ7A on PWB-A
plugged in securely?
NO
Plug them in securely.
Does the voltage across PJ7A-6 on
YES
Change PWB-A.
2
PWB-A and GND vary between DC0V
and DC5V?
NO
Change UN2.
u
C0FE1 to C0FFF
Step
Check Item
Result
Action
1
Are the jumper connectors plugged
correctly into J1 and J2 on UN2?
NO
Change the jumper connector posi-
tions.
2
Is each Original Size Detecting Sensor
installed in correct position?
NO
Reinstall.
3
Is the malfunction code displayed again
after the Original Size Detecting Sen-
sor corresponding to the malfunction
code has been changed?
YES
Change UN2 or PWB-A.