Lexmark C782 Service Manual - Page 193

5061 3. Select either Single or Continuous from the menu. Note: If Single is selected, no buttons are active while the Print Test Page is printing. If Continuous is selected, Back ( ) or Stop ( ) can be pressed to cancel the test. The following screen is displayed while printing. Printing... Tray 1, Tray 2, Tray 3, Tray 4, Tray 5, MP Feeder, or Env Feeder N for narrow media, or W for wide media 4. Press Back ( ) or Stop ( ) at the end of the test to return to the original screen. Print Quality Pgs The print quality test consists of five pages. Pages one and two contain a mixture of graphics and text. The remainder of the pages only contain graphics. See "Print tests" on appendix page B-1 for samples of the Print Quality Pgs. This test may be printed from either Configuration menu or the Diagnostics mode. To run the print quality pages from the Diagnostics mode, select PRINT TESTS and Print Quality Pgs from the menu. Once the test is started it cannot be canceled. When the test pages print the printer returns to the original screen. HARDWARE TESTS LCD Test This test verifies the operator panel LCD function. To run the LCD Test: 1. Select LCD Test from HARDWARE TESTS in the Diagnostics mode. The LCD test continually executes. 2. Press Back ( ) or Stop ( ) to cancel the test. Button Test This test verifies the operator panel button function. To run the Button Test: 1. Select Button Test from HARDWARE TESTS in the Diagnostics mode. With no buttons pressed, a pattern matching the operator panel buttons is displayed. Button Test 2. Press each operator panel button one at a time, and an "X" displays in the box that represents the button. If you press Back or Stop, you exit the test. You can start the test and continue. Press Back ( ) or Stop ( ) to exit the test. Diagnostic aids 3-15