Canon MX920 Series Online Manual page 133

• Printing cannot be carried out with Bluetooth communication from more than one computer at the
same time. In this case, this message is displayed on the computer during standing by.
Printing will begin automatically when the print queue is finished.
• Check 5: Were the MP Drivers installed after printer registration on Add
a Bluetooth Device (Bluetooth Devices in Windows Vista or Windows
XP)?
If you have installed the MP Drivers after registering the printer as a Bluetooth device on Add a
Bluetooth Device (Bluetooth Devices in Windows Vista or Windows XP), delete the printer and then
register it again.
For more information about the procedure, see Preparation.