Lexmark X644E Service Manual - Page 224

7002-xxx Sensor Test (input tray) This test is used to determine if the input tray sensors are working correctly. To run the Input Tray Sensor Test: 1. Touch to select the Sensor Test from INPUT TRAY TESTS. 2. Touch to select the input source from the sources displayed on the Sensor Test menu. All installed sources are listed. 3. Select the sensor to test. Various sources have different combinations of sensors. See the table below: Tray sensor support by source Source Tray 1 Tray 2 Tray 3 Tray 4 Tray 5 Multipurpose tray Envelope feeder Empty (Input tray empty sensor) Low (Input tray paper low sensor) passThru (Input tray pass thru sensor) ✓ [sensor selected]=Open displays. • Empty-Input tray empty sensor • Low-Input tray paper low sensor • passThru-Input tray pass thru sensor 4. Once this message displays, the servicer can manually actuate each sensor. The tray empty sensor can be actuated by hand, however a sheet of paper can be used to cover the pass thru sensor. When the sensor is closed, Closed displays; when the sensor is open, Open displays. 5. Press Stop ( ) to exit the test. OUTPUT BIN TESTS Feed Tests (output bins) Use these tests to verify that media can be fed to a the standard output bin. No information is printed on the media fed to the output bin because the printhead is not engaged during this test. These tests can use any media size or envelope supported by the printer. To run the Feed Tests for the output bins: 1. Touch 2. Touch to select Feed Tests from the OUTPUT BIN TESTS. to select the output bin you want the paper to exit into. 3-14 Service Manual