Epson LQ 300 - Page 90

Troubleshooting
LQ-300 Sarvice Manual
2. Abnormal carriage operation.
Are connectors CN2 - CNIO
connecting the MAIN Board Assembly
Reinsert connectors
and the Printer Mechanism
correctly.
YES
4
NO
YES
See the troubleshooting
*
items under Printer
Mecnanism (Section 5.4).
YES
4
NO
Check the HP
sensor.
YES
YES
motor and drivers with
fault
corrected7
the same time.
+
Is the
‘au’tcorrected’ ‘>
YES
T
Replace the MAIN
ND
Board Assembly
ND
Figure 5-5. Flowchart -2
5-6
Rev.A