These instructions are intended for Bluetooth enabled printers by Star Micronics, specifically the SM-T300 series.
If your printer doesn't match these specifications the Bluetooth Mode selection process maybe different. Please consult the hardware manufacturers manuals for instructions.
Make sure your printer is in Bluetooth Mode.
This is done by powering on the printer (hold the [power button] down for 3 seconds until the printer beeps).
On the LED indicator screen it should show you the mode your printer is in.
Tap on the printer to pair/link your printer and tablet together. Type in the printer PIN if your printer requires one.
If asked for the Printer Pin the default Bluetooth PIN is usually 1234 Otherwise please consult your printer manual.