FrameMaker Ver.5.5E(PC) EP3000/EP3010 TROUBLESHOOTING
98.08.06
T-58
Step
Check Item
Result
Action
1
Does the voltage across PWB-A
PJ36A-4 and GND become DC0V
(L) when the Start key is pressed?
YES
Go to step 2
2
Perform the “Controller Board
Check”. Is malfunction code
“C0312”, “C0313” or “C033C” dis-
played?
YES
Replace PWB-A.
3
Disconnect CN7. Is there continuity
across CN7-1 and -2 on the LA1
side?
NO
Replace LA1 or TF1.
4
Is the voltage across PJ2-1 and -3
on PU2 a source voltage?
YES
Perform the “Controller Board
Check”. Is malfunction code
“C031E” displayed?
NO
Check the power supply line.
5
Is the voltage across PWB-A PJ5A-
2 and GND 3.9V or less when LA1
is off, the Scanner is at the home
position, and the Original Cover is
lowered?
YES
Replace PWB-H.
NO
Replace PWB-A.