How do i get the pairing code for my lexmark s305

1 Insert a Bluetooth USB adapter into the USB port.
Bluetooth Dongle Connected appears on the display.
Note: A Bluetooth adapter is not included with the printer.
2 From the printer control panel, press Setup.
3 Press the up or down arrow button to scroll to Bluetooth Setup, and then press OK.
4 Press the up or down arrow button to scroll to Security Level, and then press OK.
5 Press the up or down arrow button to select the security level, and then press OK.
• Select Low to allow Bluetooth devices to connect and send print jobs to your printer without requiring users to enter a pass key.
• Select High to require users to enter a four-digit numeric pass key on the Bluetooth device before connecting and sending print jobs to the printer.
6 The Bluetooth Pass Key menu opens on the operator panel display if you set the security level to High. Use the keypad to enter your four-digit pass key, and then press OK.