Lexmark T652 Service Manual - Page 163

4062 Sensor (pass through) service check Step 1 Check 1. Enter the diagnostic mode 2. Select Input tray tests 3. Select Sensor test 4. Select the appropriate tray number 5. 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 The sensor is working properly No Go to step 2. 2 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the sensor (pass through). Go to "250-sheet controller card assembly removal" on page 4-106. Replace the connection. Sensor (envelope feeder empty) service check Step 1 Check 1. Enter the diagnostic mode 2. Select Input tray tests 3. Select Sensor test 4. Select Envelope feeder 5. Observe the line item "empty" Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Yes The sensor is working properly No Go to step 2. 2 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the envelope feeder. Replace the connection. Sensor (input) late jam service check. Use this procedure for the following jams: • 200.07 • 241.06 • 241.15 • 250.06 • 250.11 • 260.14 • 230.04 • 214.10 • 241.16 • 250.07 • 260.07 • 260.15 • 230.06 • 241.11 • 241.18 • 250.08 • 260.10 • 260.16 • 237.00 • 241.12 • 242.09 • 250.09 • 260.11 • 239.11 • 241.14 • 250.03 • 250.10 • 260.12 Diagnostic information 2-129