Canon MG6100 SERIES On-Screen Manual page 825

If multiple printer units with the same model name are connected to the system, assigning a
different device name to each printer is recommended for easy identification of the printer you
will use. See Bluetooth settings Screen
After checking the device name, use the OK button on the printer to finish setting.
After checking the Bluetooth settings using the LCD, register the printer on your computer.
Registering the Printer
.
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