5. Close the paper roll cover manually.
6. The printer will emit one short beep sound and then print a page
displaying software switch factory-default settings.
7. The printer will restart by itself.
Status LED Indicator
The below chart is provided to enumerate all the possible indicator
lights with their meanings for your reference.
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.