Lexmark C720 Service Manual - Page 192

5024-001 • Printer setup - Setting the page count - Viewing the permanent page count - Setting configuration ID • Reset counters - Reset transfer drum - Reset maintenance kit - Reset fuser - Reset fuser cleaner - Reset photo dev cart • Error log - Viewing and clearing the error log • Exit diagnostics Diagnostics Menu Structure When the diagnostic menu is entered, each diagnostic main menu item displays on the operator panel. When a diagnostic test is selected from the main menu, a sub menu displays and each individual test displays in the order shown. Any options that are referred to in the menus are displayed when the option is installed. Print Quality Test Pages To run the print quality test pages: 1. Turn the printer Off. 2. Press and hold Select and Return, while turning On the printer. 3. Release the buttons once "Performing the Self Test" displays. After POR completes, the CONFIG Menu displays. 4. Select Prt Quality Pgs from the menu; one copy of the test page prints. 5. The test pages print one time. Note: • To print additional pages, repeat the last step. • See "Print Quality Test Page" on page 3-22, for an example of the test pages. 3-6 Service Manual