Xerox Document Centre Reference Guide Page 3 - 53. Product OverviewPaper Trays (Trays 1 - 4)The Paper Trays hold up to 500 sheets of 20 lb. stock each. You canadjust the trays to hold many sizes of paper, up to 11 x 17 inches. Aservice representative can permanently adjust a tray to handle 12 x18 inch paper. To permanently dedicate a tray to handle this sizepaper, contact the Xerox Welcome Center.Refer to Chapter 13, Paper and Stock for a listing of acceptablestock and paper sizes, orientations, and weights.NOTE To achieve the maximum printing speed, paper should be loadedLEF in the paper trays whenever possible.Paper Tray Management SystemThe Document Centre uses a system of programmable settings tomanage the Paper Trays and the stock. These settings are establishedby the Machine Administrator and determine whether a user canchange the programmed stock attributes.There are four stock attributes: size, orientation, type, and color.Correctly setting the Edge Guides in the paper trays allows themachine to sense the stock size and orientation automatically.Paper Trays 1 - 4