HP LaserJet 1220 HP LaserJet 1200 Series - User Guide - Page 241

Supported media sizes (printer) The following are the supported media sizes: q Minimum: 76 x 127 mm (3 x 5 in.) q Maximum: 216 x 356 mm (8.5 x 14 in.) Guidelines for using media Paper For best results, use conventional 20 lb (75 g/m2) paper. Make sure that the paper is of good quality and free of cuts, nicks, tears, spots, loose particles, dust, wrinkles, voids, and curled or bent edges. If you are unsure about what type of paper you are loading (such as bond or recycled), check the label on the package of paper. Some paper causes print quality problems, jamming, or damage to the printer. Paper usage Symptom Problem with paper Poor print quality or toner adhesion. Problems with feeding. Too moist, too rough, too smooth, or embossed. Faulty paper lot. Dropouts, jamming, or curl. Stored improperly. Increased gray background shading. Might be too heavy. Excessive curl. Problems with feeding. Too moist, wrong grain direction, or short-grain construction. Jamming or damage to printer. Cutouts or perforations. Solution Try another kind of paper: between 100-250 Sheffield and 4-6% moisture content. Store paper flat in its moisture-proof wrapping. Use lighter paper. Use long-grain paper. Print using the straight-through output path. Do not use paper with cutouts or perforations. EN Supported media sizes (printer) 239