Lexmark CX833
Load an original document into the ADF tray or on the scanner glass.
From the control panel, select Fax.
Select Add Recipient or Address Book, and then enter the needed information.
Select More Settings > Darkness, and then adjust the setting.
Send the fax.
Increase or decrease the darkness of printed materials easily from the control panel of your printer.
Access the Accessibility menu to adjust the volume of the headphones that you inserted into your printer.