Lexmark 935dtn User's Guide - Page 123

Maintaining the printer Periodically, certain tasks are required to maintain optimum print quality. Cleaning the exterior of the printer 1 Make sure that the printer is turned off and unplugged from the wall outlet. CAUTION: To avoid the risk of electric shock, unplug the power cord from the wall outlet and disconnect all cables to the printer before proceeding. 2 Remove paper from the paper support and paper exit tray. 3 Dampen a clean, lint-free cloth with water. Warning: Do not use household cleaners or detergents, as they may damage the finish of the printer. 4 Wipe only the outside of the printer, making sure to remove any ink residue that has accumulated on the paper exit tray. Warning: Using a damp cloth to clean the interior may cause damage to your printer. 5 Make sure the paper support and paper exit tray are dry before beginning a new print job. Storing supplies Choose a cool, clean storage area for the printer supplies. Store supplies right side up in their original packing until you are ready to use them. Do not expose supplies to: • Direct sunlight • Temperatures above 35°C (95°F) • High humidity above 80% • Salty air • Corrosive gases • Heavy dust Conserving supplies There are some settings you can change from the control panel that will help you conserve toner and paper. For more information, see "Supplies menu," "Quality menu," and "Finishing menu." If you need to print several copies, you can conserve supplies by printing the first copy and checking it for accuracy before printing the remaining copies. Checking the status of supplies A message appears on the display when a replacement supply item is needed or when maintenance is required. Checking the status of supplies from the control panel 1 Make sure the printer is on and Ready appears. 2 From the control panel, press until Status / Supplies appears, and then press . 123