C9850 User’s Guide> 24TRAYS AND STACKERSTRAYS 1 TO 5Tray 1 is the standard blank paper input tray and can hold up to 530sheets of 20 lb (75 g/m²) paper. Additional trays, to give a total offive, can be added as an option to give a total tray capacity of 2650sheets of 20 lb (75 g/m²) paper.If you have identical paper stock loaded in another tray (for exampleTray 2 or the MP Tray), you can have the printer automaticallyswitch to that other tray when the current tray runs out of paper.This function can be enabled by driver settings when printing from aWindows application or by a menu setting when printing from otherapplications.MP TRAYThe multi-purpose tray is used for media sizes additional to those ofthe standard trays, heavier media weights and special media.The multi-purpose tray can handle the same sizes as the standardtrays but in weights up to 71.3 lb (268 g/m²). For very heavy paperstock use the face-up paper stacker. This ensures that the paperpath through the printer is almost straight.The multi-purpose tray can feed paper widths as small as 3in(76.2 mm) and lengths up to 47.24 in (1200 mm). For bannerprinting, recommended sizes are Letter wide, 35.43 in and 47.24 inlong and weight 34 lb (128 g/m²).Use the multi purpose tray for printing on envelopes andtransparencies. Up to 100 sheets of transparencies or 25 envelopescan be loaded at one time, subject to a maximum stacking depth of1 in.Paper or transparencies should be loaded print side up and top edgeinto the printer. Do not use the duplex (two-sided printing) functionfor transparencies.TransparenciesGlossy paperA4, Letter 0.004 in Tray 1 or MP TrayFace-up StackerTYPE SIZE WEIGHT INPUT/OUTPUT