Dell C7765DN Dell Color Multifunction Printer User's Guide - Page 262

13 Maintenance Cleaning the Touch Screen This section describes how to clean the touch screen of the machine. 1 Wipe the LCD only with a soft cloth moistened with neutral detergent or alcohol. Note • Do not apply too much neutral detergent or alcohol. Squeeze out excess moisture before you wipe the LCD if the fluid drips. • Do not use volatile solvent such as benzene and paint thinner or insect killer. Doing so might cause discolored, deformed, or cracked parts. • Wipe the panel softly, otherwise, the parts might be damaged. Cleaning Document Cover and Document Glass If the document cover and document glass become soiled, smudges may appear on copies, faxes, or scanned documents and the machine may not properly detect document sizes. To ensure clear copies at all times, clean the document cover and the document glass once a month. Note • Do not use benzene, paint thinner, or other organic solvents. Doing so might damage paint or coating on plastic parts. • Cleaning the machine with an excessive amount of water may cause the machine to malfunction or damage documents during copying, faxing, or scanning. 1 Wipe the document cover with a soft cloth moistened with water to remove any dirt, and then wipe it with a soft, dry cloth. Note • Do not use cleaning agents other than water or neutral detergent. • If you cannot remove dirt easily, gently wipe the document cover with a soft cloth moistened with a small amount of neutral detergent. 2 Wipe the document glass with a soft cloth moistened with water to remove any dirt, and then wipe it with a soft, dry cloth. Note • Do not use cleaning agents other than water or neutral detergent. • If you cannot remove dirt easily, gently wipe the document glass with a soft cloth moistened with a small amount of neutral detergent. 262