Lexmark C520 Service Manual - Page 86

5022-xxx Motor Calibration This test is run to match the fuser motor speed to the belt motor speed. 1. Select MOTOR TESTS from DIAGNOSTICS. 2. Select Motor Calibration. The printer generates eight pages as part of this test. To stop the test, press Stop ( ). Servo Laser Test 1. Select MOTOR TESTS from DIAGNOSTICS. 2. Select Servo Laser Test. The panel displays Servo Laser Test. After the test completes, the panel displays either Pass or Fail. To stop the test, press Stop ( ). Print Tests Input source tests The purpose of the diagnostic Print Tests is to verify that the printer can print on media from each of the installed input options. The contents of the Print Test Page varies depending on the media installed in the selected input source. Check each Test Page from each source to assist in print quality and paper feed problems. To run the Print Test Page: 1. Select PRINT TESTS from the DIAGNOSTICS. 2. Select the media source. Tray 1 Tray 2 (if installed) MP Feeder 3. Select Single or Continuous. Diagnostic aids 3-9