Lexmark 11C0200 Service Manual - Page 90

Once the maximum pass count or fail count is reached, the test stops, the power indicator turns on solid, and the final test results display. Press Return or Stop to exit the test. Input Tray Sensor Test This test determines whether or not the input tray sensors are working correctly. To run the test, select the Sensor Test Menu and press MENU> until you find the TRAY1, TRAY2, or MP FEEDER selection. The following screen displays: EM=OP LO=OP • • • The selected input tray displays on line 1. One of the following is displayed for : Tray 1, Tray 2, or MP Feeder. EM or Empty refers to the input tray's empty sensor. LO or Low refers to the input tray's paper low sensor. Once this screen is displayed, you can manually actuate each of the input tray sensors. When the sensor is closed, CL is displayed. When the sensor is open, OP is displayed. If the wrong message is displayed, then the sensor must be malfunctioning. Each source does not necessarily support all the sensors. The following table shows which sensors are supported by which sources. Source Tray 1 Tray 2 Multipurpose Feeder Empty Sensor Yes Yes Yes Low Sensor Yes Yes No To exit the sensor test, press Return or Stop. Size Sensing Sensor Test This test checks the state of the sensors in the printer. When a sensor is active it displays the active status and when the sensor is inactive the appropriate inactive status displays. To run the test, select the Sensor Test Menu and press MENU> until you find the TRAY 1 or Tray 2 selection. The following screen displays: Size SEN1=OP SEN2=OP Diagnostic Information 2-55