Lexmark CX825
Load an original document into the ADF tray or on the scanner glass.
From the home screen, touch Fax, and then enter the needed information.
Touch Resolution, and then adjust the setting.
Send the fax.
Use the fax darkness setting of your printer to fine-tune image and text quality.
Cannot send a fax? Changing the printer fax mode or contacting your administrator can help you solve this problem.