Lexmark CX517
Load an original document faceup, short edge first into the ADF tray or facedown on the scanner glass.
Notes:
If you are loading a document into the ADF tray, then adjust the paper guides.
From the home screen, navigate to:
Fax > enter the fax number > Options
From the Resolution area, touch the arrows to select the resolution you want.
Note: Select a resolution from Standard (fastest speed) to Ultra Fine (best quality at a reduced speed).
Touch Fax It.
Limited Time to Enter the Fax Shortcut Key when Using the Keypad in the Fax Menu
Fax error codes and recommendations for the X64x, X65x X73x, X77x, X78x, X79x, X85x, X86x, X945, and X92x Series MFPs