97Using the MPF (Multi purpose feeder)Use the MPF to print transparencies, labels, envelopes or postcards in addition to making quickruns of paper types or sizes that are not currently loaded in the paper tray.Postcards, 3.5 by 5.83 in. (index) cards and other custom-sized materials can be printed with thisprinter. The minimum size is 3.0 by 5.0 in. (76 by 127 mm) and the maximum size is 8.5 by 14 in.(216 by 356 mm).Acceptable print materials are plain paper with sizes ranging from 3.0 by 5.0 in. (76 by 127 mm)to Legal, 8.5 by 14 in. (216 by 356 mm), the largest size acceptable, and weighing between 16 lband 43 lb.NOTE: Always load only the print materials specified in the Specifications on "PaperSpecifications" to avoid paper jams and print quality problems.NOTE: Flatten any curl on postcards, envelopes and labels before loading them into the MPF.To use the MPF:1 Open the MPF and unfold the paper support extension, as shown.2 If you are using paper, flex or fan the edge of the paper stack to separate the pages beforeloading.For transparencies, hold them by the edges and avoid touching the print side. Oils from yourfingers can cause print quality problems.