Canon MG8100 series On-Screen Manual page 909

Check whether access from a Bluetooth-compatible device is refused.
Check the printer access setting displaying the Bluetooth settings screen on the LCD of the
printer.
1.
Display the Bluetooth settings screen on the LCD of the printer.
For information about how to display the Bluetooth settings screen, refer to
Machine Settings on the LCD
2.
Select Access refusal setting.
3.
Select OFF, then use the OK button on the printer to confirm the selection.
.
Changing the
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