Lexmark CX431 Users Guide PDF - Page 15
Unacceptable paper, Storing paper, Moisture content, Grain direction, Fiber content
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Learn about the printer 15 Moisture content The amount of moisture in paper affects both print quality and the printer ability to feed the paper correctly. Leave paper in its original wrapper until you use it. Exposure of paper to moisture changes can degrade its performance. Store paper in its original wrapper in the same environment as the printer for 24 to 48 hours before printing. Extend the time several days if the storage or transportation environment is very different from the printer environment. Thick paper may also require a longer conditioning period. Grain direction Grain refers to the alignment of the paper fibers in a sheet of paper. Grain is either grain long, running the length of the paper, or grain short, running the width of the paper. For 60-176 g/m2 (16-47‑lb) paper, grain long paper is recommended. Fiber content Most high‑quality xerographic paper is made from 100 percent chemically treated pulped wood. This content provides the paper with a high degree of stability, resulting in fewer paper feeding problems and better print quality. Paper containing fibers such as cotton can negatively affect paper handling. Unacceptable paper The following paper types are not recommended for use with the printer: • Chemically treated papers used to make copies without carbon paper, also known as carbonless papers, carbonless copy paper (CCP), or no carbon required (NCR) paper • Preprinted papers with chemicals that may contaminate the printer • Preprinted papers that can be affected by the temperature in the printer fuser • Preprinted papers that require a registration (the precise print location on the page) greater than ±2.3 mm (±0.9 in.), such as optical character recognition (OCR) forms In some cases, registration can be adjusted with a software application to successfully print on these forms. • Coated papers (erasable bond), synthetic papers, thermal papers • Rough‑edged, rough or heavily textured surface papers, or curled papers • Recycled papers that fail EN12281:2002 (European) • Paper weighing less than 60 g/m2 (16 lb) • Multiple‑part forms or documents Storing paper Use these paper storage guidelines to help avoid jams and uneven print quality: • Store paper in its original wrapper in the same environment as the printer for 24 to 48 hours before printing. • Extend the time several days if the storage or transportation environment is very different from the printer environment. Thick paper may also require a longer conditioning period. • For best results, store paper where the temperature is 21°C (70°F) and the relative humidity is 40 percent. • Most label manufacturers recommend printing in a temperature range of 18-24°C (65-75°F) with relative humidity between 40 and 60 percent.