412Printing Envelopes with the Multi-Purpose TrayPrinting Envelopes with the Multi-Purpose TrayBefore loading envelopesBefore you load envelopes in the tray, observe the following precautions.To avoid serious damage to the printer:• Never use envelopes with metal or plastic fasteners or snaps.• Never use envelopes that are torn, curled, wrinkled or damaged in any way.• Don’t use envelopes with peel-off strips.• Don’t use envelopes with any type of treated surface or lettering that mightmelt, discolor or degrade at a high temperature of 195°C (413°F).• To avoid paper jams, use only envelopes of the same size and follow the simpleprocedure described below before loading a stack of envelopes into the tray.1 Fan the stack of envelopes to make sure none of the envelopes are stuck together.2 Place the envelopes on a clean, flat surface and press down the corners to flatten the envelopes.
