Load an original document faceup, short edge first into the ADF tray or facedown on the scanner glass.
If you are loading a document into the ADF tray, then adjust the paper guides.
From the printer control panel, navigate to:
> Fax > > enter the fax number > Resolution > select the resolution you want
Note: You can choose from Standard (fastest speed) to Ultra Fine (slowest speed and best quality).