Xerox CopyCentre/WorkCentre/WorkCentre Pro 123/128 Quick Reference Guide 857 Paper and Other MediaThe machine is designed to use various paper types and other media. This chapterprovides information on loading paper and other types of media into the machine.Loading PaperThe machine can be equipped with various paper trays. This section providesinformation on how to load paper into each type of tray.NOTE: Make sure the side and rear paper guides on the trays are properly positionedto match the size of paper loaded. If there is a gap between the paper stack and theguides, paper may not be fed to the machine properly, or paper jams may occur.For information on configurable paper sizes and media types for each tray, refer toSupported Paper Sizes and Types on page 89.For information on the acceptable range of paper sizes and capacity for each tray, referto Paper Supply in the Specifications chapter on User Guide.Preparing Paper for LoadingBefore loading paper into the paper trays, fan the edges. This procedure separates anysheets of paper that are stuck together and reduces the possibility of paper jams.NOTE: To avoid paper jams and misfeeds, do not remove paper from its packaginguntil required.Loading the Paper TraysDepending on the machine configuration, up to four paper trays will be availableexcluding the bypass tray.NOTE: If the machine is processing a job, do not open the active paper tray.1. Pull out the paper tray towardsyou.