Lexmark CX820
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.
Adjust the Resolution setting.
Send the fax job.
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.