2-108 Service ManualSensor (narrow media) service checkSensor (duplex input) service checkStep Check Yes No1 Check the sensor (narrow media) for damage.Is the above component free from damage?Go to step 2. Replace the fuserunit assembly.2 1. Enter the diagnostic mode2. Select Base sensor test4. Observe the line item “narrow media”Does the display on the operator panel, change every timethe sensing area of the above sensor is interrupted orblocked.The sensor isworking properly Go to step 2.3 Check the above sensor for proper connection.Is the above sensor connected properly?Replace fuser unitassembly. Replace theconnection.Step Check Yes No1 Check the sensor (duplex input) for damage.Is the above component free from damage?Go to step 2. Replace thesensor (duplexinput).2 1. Enter the diagnostic mode2. Select Duplex sensor tests3. Select Sensor test4. Observe the line item “input”Does the display on the operator panel, change every timethe sensing area of the above sensor is interrupted orblocked.The sensor isworking properly Go to step 2.3 Check the above sensor for proper connection.Is the above sensor connected properly?Replace theduplex inputsensor assembly(internal duplexonly).or replace theexternal duplexunit assembly(external duplexonly).Replace theconnection.Go to “Fuser unitremoval” onassemblypage 4-15.Go to “Fuser unitremoval” onassemblypage 4-15.Go to “Sensor(duplex input)removal” onpage 4-41.Go to “Duplexinput sensorassemblyremoval” onpage 4-10.
