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System Maintenance Section 6-11
After confirming the result of the check, press Quit. The NT631/NT631C
returns to the DEVICE CHECK MENU screen.
Note When The voltage is lowered is displayed, replace the built-in battery immedi-
ately. For details on the replacement method, refer to 7-3-1 Replacing the Bat-
tery (page 241).
6-11-8 Checking Interfaces
The NT631/NT631C allows the following communications functions to be
checked.
• Communications with the Support Tool page 209
• Communications at serial ports page 210
• Communications with printers page 213
Checking
Communications with the
Support Tool
Check communications with the Support Tool by following the menu operation
from the System Menu shown below.
The voltage is within the normal range. or
The voltage is lowered. is displayed.
Select Maintenance Mode.
Select I/O Check.
Select I/F Check.
Ver 4.12