Lexmark C912 Service Manual - Page 37

5055-xxx • Minimum weight: 20 lb (75 g/m2) • The following envelopes should not be used: - Envelopes with windows, holes, perforations, cutouts, deep embossing or package damage - Envelopes with metal clasps, string ties or metal folding bars - Envelopes with exposed flap adhesive when the flap is in the closed position For best results, printing on new 24 lb (90 g/m2) sulfite or 25% cotton bond envelopes is recommended. Note: Under high-humidity conditions (over 60%) the envelopes may seal during printing. Transparencies Use letter (p/n 12A5940) or A4 (p/n 12A5941) only Labels Labels should be selected using guidelines found in the User's Guide or the Cardstock and Label Guide, and tested for acceptability. Lexmark glossy paper • Use letter (p/n 12A5950) or A4 (p/n 12A5951) only • Glossy paper is only supported from Tray 1, Multipurpose Feeder, and Heavy Media Tray. Print area Printable area for the printer is to within 0.16 in. (4.2 mm) of all edges of the media (except envelopes). General information 1-21