6 Troubleshooting
6.4.4
RS-232C Interface
No.
1
Check that the RS-232C cable is connected correctly.
2
Check that the cable is not damaged.
3
Check the configuration of the printer.
Check the setting of RS-232C interface through Interface in Settings menu.
4
If there are multiple RS-232C ports on the computer, connect to other port.
5
Start the printer and the computer again.
6.4.5
IEEE1284 Interface
No.
1
Check that the printer cable is connected to the LPT port of the computer correctly.
2
Check that the cable is not damaged.
3
If you are using Windows printer driver, check that the correct port is selected.
4
Check the configuration of the printer.
Check the setting of IEEE1284 interface through Interface in Settings menu.
5
Connect to another port.
6
Start the printer again.
6.4.6
External Signal Interface (EXT)
No.
1
Check that the printer and the external device are connected with a cable correctly.
2
Check that the cable is not damaged.
3
Check that the power of the external device is on.
4
Check the configuration of the printer.
Check the setting of external signal (EXT) interface through Interface in Settings menu.
5
Start the printer and the external device again.
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CL4NX Operator Manual
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