Lexmark CX833
The Universal Setup menu lets you set the width and height of a paper size that is not preset in the printer.
From the control panel, navigate to Settings > Paper > Media Configuration > Universal Setup.
Select All Input Trays, and then configure the settings for the paper size that you want to customize.
Configure the Simple Mail Transfer Protocol settings on your printer to let it send scanned documents or printer alerts through email.
Know when the printer receives incoming fax messages by configuring the fax speaker mode and volume.