power, self-test begins automatically at this moment.
2.6 Hexadecimal Printing
Turn on the printer according to the step below, it will enter the
mode of Hexadecimal Printing
1.Open the cover
；
2.Hold down
【
FEED
】
button
，
and connect with power
；
3.Close the cover, the printer will print out 3 lines as below:
Hexadecimal Dump
To terminate hexadecimal dump,
Press FEED button three times.
This means the printer has entered hexadecimal printing mode,
and under this mode, all of the input will be printed out as
hexadecimal number, feed one line with single-click of “FEED”
button, after 3 times, it will print out “*** Completed ***”,and exit
hexadecimal printing mode.