Lexmark T522 Service Manual - Page 148

4520-xxx Output Bin Test - Standard Bin This test is used to verify if the standard bin sensor is working correctly. To run the Standard Bin Sensor Test: 1. Select Output Bin Tests from the Diagnostic menu. 2. Select Output Bin Tests - Sensor Tests. 3. Select Sensor Tests - Standard Bin. "Standard Bin/Full=CL" message displays. Manually actuate the bin sensor by moving the flag in and out of the sensor. The display indicates OP (open) when the flag is out of the sensor and CL (closed) when the flag is in the sensor. 4. Press Return/Stop to exit the test. Base Sensor Test This test is used to determine if the sensors located inside the printer are working correctly. The following sensors can be checked: Toner Optical Sensor Input Sensor Output Sensor (Fuser Exit) Narrow Media Sensor Front Door Sensor (Upper Front Cover) To run the Base Sensor Test: 1. Select the Base Sensor Test. The operator panel displays OP for open and CL for closed. 2. Manually toggle the sensors by hand to verify that each sensor switches from open to closed. 3-16 Service Manual