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.
Press the [Setup] button to enter the Setup mode.
Press the or button to select Bluetooth Settings, then press the OK button.
Press the or button on the printer to select BT PIN Code Set, then press the button on the printer.
Press the or buttons to select a number for the first digit, then press the or 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.