Epson DLQ-3000 Service Manual page 102

Troubleshooting
S T A R T
I Execute the self-test. I
NO
Refer to olher
Adjust the Platen
troubleshooting
Gap and Bi-
directional printing
5 6
Measure the coil
resistance of the
Shaft Parallelism.
YES
ND
Figure 5-4. Unit Replacement -3
B
0
Is '
Replace the
the resistance
YES
NO
Replace the BOARD
YES
10