If you select Pairing as the BT Mode or On as the BT Encryption setting, the passkey must be entered into a Bluetooth enabled device before it can communicate with and print from the printer.
Note:
Be sure to set a unique passkey before using Bluetooth communication.
To change the passkey, follow the instructions below. Use the , , , or buttons to change the LCD screen view to find the mode you want to enter.
Enter Setup mode from the Home menu.
Enter Bluetooth Settings mode.
Enter BT PIN Code Set.
Press the , or buttons to select a number for the first digit, then press the , buttons to change the digit.
Select numbers for the second through fourth digits in the same manner, then press the OK button to activate the passkey.