Lexmark C750 Service Manual - Page 212

5060-00x • If you select Media 2 from the menu the following is displayed and the sensors polled: Media Path 2 Testing...Once the sensors are polled the following is displayed and the sensors are ready to test. Media Path 2 S3=CL S4=CL S3 S4 =Inverter Jam Sensor =Drop Timing Sensor • Once the screen is displayed you can manually actuate each of the sensors. When the sensor is closed, CL is displayed, when the sensor is open OP is displayed. If you select Media 3 from the menu the following is displayed and the sensors polled: Media Path 3 Testing...Once the sensors are polled the following is displayed and the sensors are ready to test: Media Path 3 S5=CL S5 =Exit Timing Sensor • Once the screen is displayed you can manually actuate the sensor. When the sensor is closed, CL is displayed, when the sensor is open OP is displayed. If you select Media Level from the menu the following is displayed and the sensors polled: Media Level Testing...Once the sensors are polled the following is displayed and the sensors are ready to test: Media Level S1=CL S2=CL S1 S2 =Paper Surface Sensor 1 (upper) =Paper Surface Sensor 2 (lower) 2. Once the screen is displayed you can manually actuate the sensor. When the sensor is closed, CL is displayed, when the sensor is open OP is displayed. To exit the sensor test, press Return or Stop. Hole Punch Use this test to verify that media can be fed to the Finisher output bin and hole punched. Letter or A4 size media must be used in the source tray for this test. No information is printed on the feed test pages since the laser is not energized during this test. Eight sheets of paper are fed and holes punched with a three hole pattern. To run the test in Diagnostics Mode: 1. Select FINISHER TESTS from the Diagnostics menu. 2. Select Hole Punch. Press Return after the test is complete to exit the test. 3-28 Service Manual