Media considerations Note Not all media types are supported in all modes. Media for duplexer The duplexer accepts standard-sized media as large as A3 media. The duplexer accepts up to 28 lb (105 g/m 2 ) bond. Envelopes The Envelope media-type setting in the printer driver has been optimized for the best print adhesion for most envelopes. The Heavy Paper mode might also work well for some envelopes, especially if the printing environment humidity is low. Use the left (face-up) output bin to reduce curl. Envelopes with more than one flap can wrinkle, crease, and cause jams.
CAUTION To prevent severe printer damage, envelopes with peel-off adhesive strips must use adhesives compatible with the printer’s fusing temperatures (approximately 190° C or 374° F). Transparencies The default output for all transparencies is the top output bin for all HP Color LaserJet 8550 printer models. The printer’s internal color settings are optimized for the best color quality if Transparency is selected as the media type in the printer driver. Using other media type settings will result in less accurate colors. The printer only supports transparencies of 5 mils (0.13 mm) in thickness.
To prevent damage to the printer, transparencies must be able to withstand the printer’s fusing temperature (approximately 190° C or 374° F). Handle transparencies by the edges. Oil from your fingers can be deposited on the transparencies, causing print quality problems. Allow printed transparencies to cool before handling to prevent curling. WARNING! Allow transparencies to cool before handling to prevent burns. EN Media requirements 35