HP 5590 HP Scanjet 5590 digital flatbed scanner - User's Manual - Page 18

care and maintenance 4 This section presents information about how to care for and maintain the scanner. Occasional cleaning of your scanner helps ensure optimal performance. The amount of care necessary depends upon several factors, including the amount of use, the type of media that is fed through the ADF, and the environment. You should perform routine cleaning as necessary. Routine cleaning and maintenance should include cleaning the scanner glass, the TMA, and the ADF. Caution! Avoid placing items that have sharp edges in the scanner. Doing so can damage the scanner. Before placing an item on the scanner glass, make sure that the item does not contain wet glue, correction fluid, or other substances that can be transferred to the glass. clean the scanner glass 1 Disconnect the universal serial bus (USB) cable and power cable from the scanner. 2 Clean the glass by using a soft, lint-free cloth that has been sprayed with a mild glass cleaner, and dry the glass with a dry, soft, lint-free cloth. Caution! Use only glass cleaner. Avoid abrasives, acetone, benzene, and carbon tetrachloride, all of which can damage the scanner glass. Avoid isopropyl alcohol because it can leave streaks on the glass. Do not spray the glass cleaner directly on the glass. If too much glass cleaner is applied, the cleaner could run to the edges and damage the scanner. 3 When you have finished, reconnect the USB cable and power cable to the scanner. Note: For instructions about how to clean the underside of the scanner glass, visit www.hp.com/support. clean the TMA Clean the TMA with a dry, soft cloth. If necessary, lightly spray the cloth with glass cleaner and wipe the TMA. clean and maintain the ADF The ADF requires periodic cleaning depending on the amount of use and the type of media that is fed through it. Use an HP ADF cleaning cloth to clean the ADF when vertical streaks appear in images scanned by using the ADF, when 13