Samsung SRP-350PG - SRP 350 B/W Direct Thermal Printer Service Manual page 87

9 Troubleshooting
9-6 DIP S/W and I/F PBA Select Problem
I/F PBA Select
9-6
DIP S/W
Problem
N
DIP S/W
Input Ok?
Y
End
Problem
N
I/F PBA
Select Ok?
Y
End
1. Check the Output Signal(DIP R1~4)
2. Check the Diode(D7~D22)
3. Check the Input Signal(DIP C1~C4)
4. Check the related Circuit & Pattern
1. Check the Output Signal(I/F Sel) on CPU
2. Check the Diode on I/F PBA
3. Check the Input Signal(DIP C1~C4)
4. Check the related Circuit & Pattern
Samsung Electro-Mechanics