User's Manual
Passkey. The Passkey is a 4-digit code that is set on the
printer. The default Passkey is 0000.
The following are general instructions for finding your
printer or all-in-one's Bluetooth passkey. Consult the
documentation for your printer or all-in-one for specific
instructions.
1 Access the control panel menu and select the
Bluetooth option.
2 Select Passkey and press OK to display the printer's
Passkey.
You can also change the Passkey from this menu.
8 HP bt300 Bluetooth® Wireless Printer Adapter