Canon Pixma MX520 Series Online Manual page 916

In Windows Vista, the Windows needs to install driver software for your Bluetooth
Peripheral Device screen may be displayed automatically. In this case, click Don't show this
message again for this device.
In Windows XP:
1. Log into a user account with the administrator privilege.
2. Click Control Panel, Printers and Other Hardware, then Bluetooth Devices.
3. Click Add on the Devices sheet.
Add Bluetooth Device Wizard will start.
4. Make sure that the printer is turned on, check the My device is set up and ready to be found check
box and then click Next.
5. Select the device name of the printer and click Next.