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Software Setting Mode
In the software setting mode, you can set the following customized values and memory switches 
which are software switches of this printer.
Starting the memory switch setting mode
Follow the steps below to run this mode.
1
Install the roll paper.
2
Close the roll paper cover.
3
While pressing the Feed button, turn the power on. (Keep pressing the
button until the printer starts printing.)
The printer starts printing the current status of the printer.
When the printer finishes printing the printer status, the following message is printed and
the Paper LED flashes. (The printer is now in the self-test wait mode.):
“Select Modes by pressing Feed button.
Continue SELF-TEST: Less than 1 second
Mode Selection           : 1 second or more”
4
Press the Feed button. (Keep pressing the button until the printer starts printing.)
The printer starts printing instructions.
5
After the printing has been completed, press the Feed button 2 times.
6
Press the Feed button again. (Keep pressing the button until the printer
starts printing.)
The printer starts printing instructions. Follow them.
After one setting has been completed, the printer stores the setting and then starts initializing. 
After that, the printer returns to the normal mode.
 NV graphics memory capacity  Roll paper width
 Print density  Print speed
 Interface mode  USB class
 Command execution during offline  Autocutting at roll paper cover close
 Automatic paper reduction  Automatic power off time
 Transmission of status notice  Buzzer Settings
For detailed information about customized values and memory switches, see "Software
Settings" on page 44.