Lexmark W820 User's Guide - Page 206

Paper Size Purpose: To identify the default paper size for each paper source. For trays with automatic size sensing, only the value detected by the hardware is displayed. Values: First select a paper source: Tray Size Manual Pap Size Env Feeder Size Manual Env Size MP Feeder Size Then select a value (*denotes a country-specific factory default value): Letter* Legal Executive Statement Universal A3 JIS B4 10 Envelope* Other Envelope A4* JIS B5 DL Envelope* A5 11x17 C5 Envelope Folio Universal 7 3/4 Envelope Select Universal when you load paper that doesn't match any of the other available sizes. You can set the actual page size from your application software or through the Universal Setup menu item. See also: Paper Source Paper Source Purpose: To identify the default paper source. Values: Tray (Tray 1*) MP Feeder Env Feeder Manual Paper Manual Env If you loaded the same size and type of paper in two paper sources (and the Paper Size and Paper Type menu items are correctly set), the trays are automatically linked. When one paper source is empty, paper automatically feeds from the next linked source. See also: Paper Type; Linking trays 204