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System Maintenance
Section 6-11
Select “I/F Check”.
Select “Comm. Port A” or “Comm. Port B”.
The check screen is displayed (“Check
screen”, page 237).
After confirming the result of the check, press “Quit”. The NT31/NT31C returns
to the “I/F CHECK MENU” screen.
Checking Communication with a Printer
Check communication with a printer by following the menu operation from the Sys-
tem Menu shown below.
Select “Maintenance Mode”.
Select “I/O Check”.
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