how to set up bluetooth thermal printer for reciept printing
Turn on your thermal printer and make sure it’s ready.
Enable Bluetooth on your phone.
Pair the printer from your phone’s Bluetooth settings (look for the printer name and connect).
Open the OnTrack POS app.
Go to Menu → Settings.
Tap Printer / Receipt Printer.
Select your Bluetooth printer from the list.
Tap Test Print to confirm the connection.

