139 Printing Basics Print Media Usage GuidelinesThe printer tray accommodates various sizes and types of paper and other specialty media. Followthese guidelines when loading paper and media:• Before buying large quantities of any print media, it is recommended that you try a sample first.• For 60 to 135 gsm (16 to 36 lb bond) paper, grain long, where the paper fibers run along thelength of the paper, is recommended. For paper heavier than 135 gsm (36 lb bond), grain short,where the paper fibers run along the width of the paper, is preferred.• Envelopes can be printed from the multipurpose feeder (MPF) and priority sheet inserter (PSI).• Fan paper or other specialty media before loading in the tray.• Do not print on label stock once a label has been removed from a sheet.• Use only paper envelopes. Do not use envelopes with windows, metal clasps, or adhesives withrelease strips.• Print all envelopes single-sided only.• Some wrinkling and embossing may occur when printing envelopes.• Do not overload the tray. Do not load print media above the fill line on the inside of the paperwidth guides.• Adjust the paper width guides to fit the paper size.• If excessive jams or wrinkles occur, use paper or other media from a new package.See also:• "Loading Print Media in the Multipurpose Feeder (MPF)" on page 150• "Loading Print Media in the Priority Sheet Inserter (PSI)" on page 158• "Loading Envelope in the Multipurpose Feeder (MPF)" on page 153• "Loading Envelope in the Priority Sheet Inserter (PSI)" on page 159• "Printing on Custom Size Paper" on page 179WARNING:• Do not use conductive paper such as origami paper, carbonic paper or conductively-coated paper.When paper jam occurs, it may cause short-circuit and eventually a fire accident.
