Advanced Guide > About Bluetooth Communication > Preparation to Use the Bluetooth Unit > Attaching to and Removingfrom the PrinterAttaching to and Removing from the PrinterAttaching the Bluetooth Unit to the PrinterRemoving the Bluetooth Unit from the PrinterAttaching the Bluetooth Unit to the PrinterAttach the Bluetooth unit to the Direct Print Port (A) of the printer in accordance with the followingprocedure.The external appearance may differ depending on the printer you are using.1. Make sure that the printer is turned on.Make sure that any lamp on the Operation Panel is lit.2. Insert the Bluetooth unit to the Direct Print Port of the printer.Detach the cap from the Bluetooth unit. Store the cap in a safe location.Page 751 of 973 pagesAttaching to and Removing from the Printer