314NOTE: You can use A4, Letter, Folio, Oficio, Legal-sized paper for duplex printing.Guidelines for Using PaperFor the best result, use conventional 75 g/m 2 (20 lb) paper. Ensure that the paper is of goodquality, and free of cuts, nicks, tears, spots, loose particles, dust, wrinkles, voids, and curled orbent edges.If you are unsure of what type of paper you are loading, such as bond or recycled paper, checkthe label on the package.The following problems may cause print quality deviations, jamming or even damage to theprinter:NOTE: Do not use letterhead paper printed with low-temperature inks, such as those used in sometypes of thermography.NOTE: Do not use raised or embossed letterhead.NOTE: The printer uses heat and pressure to fuse toner to the paper. Ensure that any colored paperor preprinted forms use inks that are compatible with this fusing temperature (180° C or 356° F for0.1 second).Symptom Problem with paper SolutionPoor print quality or toner adhesion,problems with feedingToo moist, too rough, toosmooth or embossed; faultypaper lotTry another kind of paper,between 100-400 Sheffield,4%-5% moisture content.Dropout, jamming, curl Stored improperly Store paper flat in itsmoisture-proof wrapping.Increased gray backgroundshading/printer wearToo heavy Use lighter paper, use the reardoor.Excessive curl problems withfeedingToo moist, wrong graindirection or short-grainconstruction• Use the rear door.• Use long-grain paper.Jamming, damage to printer Cutouts or perforations Do not use paper with cutoutsor perforations.Problems with feeding Ragged edges Use good quality paper.