Lexmark T632 Service Manual - Page 31

4060-xxx • Unsuitable papers include: - Multi-part forms and documents - Chemically treated papers - Coated, synthetic, and thermal papers - A5 paper less than 80 g/m2 (21 lb) - Recycled paper less than 75 g/m2 (20 lb) - Preprinted paper requiring a high degree of registration • Recycled paper less than 80 g/m2 (21 lb) may cause unacceptable results. Envelopes • All envelopes should be new, unused, and without package damage. • Envelopes with excessive curl or twist exceeding 6 mm, those stuck together, those with bent corners or nicked edges, or those that interlock should not be used. • Minimum weight should not be less than 75 g/m2 (20 lb). • The following envelopes should not be used: - Envelopes with windows, holes, perforations, cutouts, or deep embossing - 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 90 g/m2 (24 lb) sulfite or 25% cotton bond envelopes is recommended. • Under high humidity conditions (over 60%), envelopes may seal during printing. Transparencies • Use letter or A4-size transparencies only. • Transparencies specifically designed for xerographic copy machines or laser printers may be used with this printer. Labels Select labels using guidelines from in this printer's user information, refer to the Card Stock and Label Guide, or depend upon tested acceptability. General information 1-13