Lexmark E320 Service Manual - Page 158

4500-E320/E322 Print quality test pages Go to the Special function menu (page 3-11) and perform the following: 1. Select three print quality test pages mode by double pressing the operator panel button until the Ready/Data and Toner Low lights are on. 2. Perform a long button press until all lights are on solid. When a test page is printed from the special function menu: • The first diagnostic test page illustrates print registration marks which aid the user during the print registration adjustment process. In addition, the first diagnostic test page also includes the current value of some user default settings. Note: The diagnostics test page is printed in english only. • The second page is gray. • The third page is black. Note: - Both pages are used by service and manufacturing to evaluate print quality. - Both diagnostic test pages can be printed from the print quality test pages function. Once the print quality test pages are printed, the printer enters either normal printing or demo printing modes based on the NVRAM power-on default flag. 3-22 Service Manual