Epson TM-T20II Technical Reference Manual page 77

3
Press the Feed button for 1 second or more to enter the Mode Selection.
The printer starts printing instructions.
4
Press the Feed button twice, and then hold down the Feed button until
the printer starts printing the R/E information.
5
Turn off the printer or select "Exit and Reboot Printer" to exit this mode.
Mode Selection
Modes
0 : Exit and Reboot Printer
1 : NV Graphics Information
2 : Receipt Enhancement Information
3 : Customize Value Settings
4 : or more: None
Select Modes by executing following
procedure.
step 1. Press the Feed button less
than 1 second as many times
as the selected mode number.
step 2. Press Feed button for 1
second or more.
Chapter 3 Application Development Information
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