Xerox 6180N Generic MICR Fundamentals Guide - Page 33
having a CIE Photopic Spectral Response. Backgrounds
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Paper facts 11" 11" 8.5" 8.5" Figure 3-2. Long and short grain documents Moisture content Too much moisture in paper causes excessive curl, jams, degraded image permanence, and print quality problems. Too little moisture causes static problems, which can lead to jams, misfeeds, and difficulties in post-processing paper handling. Papers with a nominal moisture content of 4.7 per cent perform best in Xerox MICR laser printers. Offset and bond papers may have a higher moisture content than xerographic papers. Xerox brand papers have a maximum moisture content of 5.3 percent, with an average of 4.7 per cent. Several other MICR bond papers have moisture content of less than 5.3 percent. Preprinted papers must have a moisture content within these limits after preprinting. Reflectance All MICR materials must meet a background reflectance standard of 60 per cent minimum, as measured by equipment having a CIE Photopic Spectral Response. Backgrounds containing patterns, designs, logos, or scenes must meet additional limits on the contrast of the preprinted areas. These background reflectance standards were developed to permit machines to read information on the check, such as the convenience amount field. Generic MICR Fundamentals Guide 3-5