Lexmark T652 Service Manual - Page 182

4062 Step Check Check the appropriate media tray sensor (pass through) for proper operation. 1. Enter the diagnostic mode 2. Select Input tray tests 3. Sensor test 4. Select the appropriate tray number 3. Observe the line item "pass through" for the appropriate media tray Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Yes Go to step 5. No Go to step 4. 2 3 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the appropriate sensor (pass through). Go to "250-sheet controller card assembly removal" on page 4-106. Replace the connection. 4 Perform a print test using the appropriate input tray. Does the error continue? Replace the input option. Problem solved. Sensor (stapler pass through) late jam service check Step 1 Check Check the output option for proper installation. Is the above component properly installed? Yes Go to step 2. No Remove then reinstall the output option Remove obstructions. Go to step 4. 2 Check for obstructions in the media path between the base machine and the output option. Is the media path free from obstructions? Check the sensor (stapler pass through) for proper operation. 1. Enter the diagnostic mode 2. Select Finisher sensor test 3. Select Sensor test 4. Select pass & media 5. Observe the line item "passthru" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Go to step 3. 3 Go to step 5. 4 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the stapler unit assembly. Go to "SFP stapler assembly stapler unit assembly removal" on page 4-182. Replace the connection. 2-148 Service Manual