Canon MX450 series Online Manual page 95

Change passkey (Graphic LCD)/Passkey (Text LCD) Screen
When you select Enable (Graphic LCD)/Enable (Text LCD) on the Security settings (Graphic LCD)/
Security settings (Text LCD) screen, you are required to set a passkey to register the printer on other
Bluetooth devices.
After you change the passkey, you may be asked to input the passkey on the Bluetooth devices you were
able to print from before the passkey was changed. In this case, input the new passkey.
• Graphic LCD
• Text LCD