5-15. Maintenance5.1 Cleaning the Copyboard GlassYour scanner is designed to be maintenance free. However, itstill needs to be cleaned from time to time to ensure optimumimage quality and performance.The scanner document glass may be contaminated with ink, tonerparticles or paper coatings. As a result, the scanner needs to becleaned occasionally particularly if the scanned image lookssmeared.The cleaning procedures (See Figure 5-1)1) Open the document cover.2) Soak a cotton swab with some isopropyl alcohol. (95%).3) Wipe the copyboard glass by moving the swab from side toside. Repeat this step until the whole copyboard glass iscleaned.4) Close the document cover. Your scanner is now ready foruse.