User Guide 33EnvelopesEnvelopesGuidelines for envelope printing:CautionNever use envelopes with windows or metal clasps; they willdamage the printer. Damage caused by using unsupportedenvelopes may not be covered by your printer’s warranty. Envelopes can only be printed from the Multi-Purpose Tray(MPT). Use only paper envelopes. Do not print on the back of the envelope. Keep unused envelopes in their packaging to avoid theeffects of moisture and dryness, which can affect printquality and cause wrinkling. Many applications include a tool for creating an envelopedocument. For example, Microsoft Word includes anEnvelopes and Labels feature in the Tools menu. Make surethat you select Face Down; select the feed method with theimage centered; and unselect Clockwise Rotation. Load a maximum of 10 envelopes at a time. This printer is not designed to handle high-capacityproduction envelope printing. Envelopes may wrinkle depending on weight and stiffness ofthe envelope.