Printing on Specialty MediaPhaser® 6180MFP Multifunction Printer5-28Printing EnvelopesEnvelopes can be printed only from Tray 1 (MPT).Guidelines■ Use only paper envelopes specified in the Supported Paper Sizes and Weights table.Successful envelope printing is highly dependent on the quality and construction of theenvelopes. Use envelopes made specifically for laser printers.■ It is recommended that you maintain constant temperatures and relative humidity.■ Store unused envelopes in their packaging to avoid the effects of moisture and drynesswhich can affect print quality and cause wrinkling. Excessive moisture can cause theenvelopes to seal before or during printing.■ Avoid padded envelopes; purchase envelopes that lie flat on a surface.■ Remove air bubbles from the envelopes before loading by setting a heavy book on top ofthe envelopes.■ If wrinkling or embossing problems occur, use a different brand of envelopes madespecifically for laser printers.Caution: Never use envelopes with windows or metal clasps; they can damage the printer.Damage caused by using unsupported envelopes is not covered under the Xerox warranty,service agreement, or Total Satisfaction Guarantee. The Total Satisfaction Guarantee isavailable in the United States and Canada. Coverage may vary outside these areas, pleasecontact your local representative for details.