Lexmark E320 Service Manual - Page 136

4500 Using the special function menu (E220/E321/E323) To access the printer settings, special functions, and diagnostics: 1. Turn the printer off. Press and hold the buttons in the following table for the operation needed. 2. Turn the printer on. 3. Press and hold the buttons until the lights cycle on the operator panel. Operation Enter configuration menu mode Print the print quality test pages Enter diagnostics mode Print the print quality test pages Reset NVRAM and enter normal mode Power-on action • Power on with top cover open and Continue pressed. • Close cover once the Error light is displayed. Top cover open with Continue pressed. (Cartridge lockout function enabled). • Power on with top cover open and Continue pressed. • Close cover once the Error light is displayed. • With the top four lights on solid, press and hold Continue until lights blink. • Power on with top cover open and Cancel pressed. • Close cover once the Error light is displayed. Top cover open with Cancel pressed. (Cartridge lockout function disabled). • Power on with top cover open and Continue pressed. • Close cover once the Error light is displayed. • With the top four lights on solid, press and hold Continue until lights blink. • Power on with top cover open and both Continue and Cancel buttons pressed. • Close cover once the Error light is displayed. 4. In the configuration or diagnostics mode (four top lights on), press and hold Continue to print instructions and a map of possible settings and functions. Menu items are above the dotted line, while settings are below the dotted line. Follow the instructions to make the desired changes or enter special function. 2-106 Service Manual