Lexmark E320 Service Manual - Page 171

3. Diagnostic aids 4500-E220/E321/E323 Diagnostic aids (E220/E321/E323) Operator panel Menu definition The operator panel settings and operations are divided into two menu groups. Configuration menu group Diagnostic menu group The configuration menu group contains a set of menus, settings, and operations which are infrequently required by a user. Generally, the options made available in this menu group are used to configure a printer for operation. Access to the configuration menu group is gained by way of a POR key sequence. See "Using the special function menu (E220/ E321/E323)" on page 2-106 for more information. The diagnostic menu group contains the settings and operations used while manufacturing and servicing the printer. See "Using the special function menu (E220/ E321/E323)" on page 2-106 for more information. The top four lights are on (home state) when the printer is in either configuration or diagnostic mode. The only items that can be changed have one or both Error and Continue lights on. • Press and release Cancel to advance through the menus. • Press and release Continue to advance through the values for a menu item until the desired value is indicated. • Press and hold Continue until all lights cycle to save the value for a menu item. • Press and hold Cancel until all lights cycle to go to the home state. Diagnostic aids 3-35