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The self test mode can be set by the DIP switch 1-3. To set, first
turn off the power to the printer and then change the DIP
switch setting. When the power is turned back on, the new
setting automatically comes into effect. To exit from the self
test, turn off the power and reset the DIP switch.
The interface board first checks the RAM condition. After
checking the RAM, data in the range between
is sent to the printer and printed. The print out is only 80
columns wide.
Table 4. Self test mode
Note
It takes some time to check the RAM before test printing.
SELF TEST
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