How do I set up the fax telephone number and line type after installing the Super G3 FAX Board?

To set the user telephone number, navigate to [Settings/Registration] > [Function Settings] > [Send] > [Fax Settings] > [Set Line] > [Line 1] > [Register Unit Telephone Number]. After entering the fax number and selecting the line type, turn the main power switch OFF and then ON to apply the settings. (Page 59)

From the official Canon imageCLASS MF1538C Multifunction Laser Printer manual, page 59

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