Minolta EP3010 Manual page 295

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