1. iPad Download Application "TSP100III utility" from App Store in iPad
2. Put paper.
3. When download finished, press setting > Bluetooth and connected Bluetooth "TSP100". 
4. Press Home button and open "TSP100III Utillity" Application and select menu "Selected Device". Choose device TSP143III and then press apply. 
4. Select Device and press Apply.
5. Press Setting and press Bluetooth Setting
6. When select Bluetooth Settings, change Device name and iOS Port Name is "CASHIER" press Apply. And then press Yes.
7. After press Apply, press continue and OK.
choose device name CASHIER.
8. Press Home button and press Setting > Bluetooth check Blutooth name "CASHIER" connected. 
If name of bluetooth is CASHIER, finished for setting printer.