The scanning accuracy may vary depending on the operating environment and the quality or thickness of the scanned document. The accuracy figures above were measured under the conditions described below. · Test chart used: Mylar sheet #300, 841 mm x 1,189 mm · Guaranteed accuracy condition: Temperature 20 +/-3deg.C ; Humidity 60+/-10%R.H. · Guaranteed scanning accuracy range: Width 800 mm Length 1,000 mm · Optical resolution: 600dpi High-quality (Gray)