Performing a Self-Test of the Printer
1. Power off the printer.
2. Press and hold the feed button of the printer.
3. Power on the printer. The printer will emit one short beep sound.
4. Release the feed button of the printer.
5. The printer performs a self-test and prints out the self-test result.
If the paper-out LED indicator still turns bright in red, press the feed
button of the printer to make the printer print the remaining self-test
result.
6. Release the feed button of the printer and then the paper-out LED
indicator does not light.
Entering the Hexadecimal Dump Mode
To make the printer work in the hexadecimal dump mode, please go through
the following instructions.
1. Power off the printer.
2. Open the paper roll cover manually.
3. Press and hold the feed button of the printer.
4. Power on the printer. The printer will emit one short beep sound.
5. Release the feed button of the printer.
6. Close the paper roll cover manually.
7. The printer enters the hexadecimal dump mode and prints out the result
showing the “Hexadecimal Dump” message.
Doing LAN Settings Reset
Among multiple built-in functions, LAN Settings Reset mainly allows you to
reset LAN settings to factory default. The following steps are provided to help
you complete the reset process.
1. Power off the printer.
2. Open the paper roll cover manually.
3. Keep pressing the feed button and then power on the printer. The
printer will emit one short beep sound.
4. Press the feed button of the printer 4 times.
5. Close the paper roll cover manually.
6. The printer will emit one long beep sound and then print a page displaying
LAN default settings.
7. The printer will restart by itself.