Dell 5230dn Mono Laser Printer Service Manual - Page 172

Sensor (duplex input) static jam service check. Use this procedure for the following jams: • 230.13 • 238.01 • 238.03 • 238.05 • 238.07 Step Check Yes No 1 Check media origination. Did the media originate from the internal duplex? Go to step 2 Go to step 5 2 Check the media path for partially fed or jammed media. Go to step 3. Is the media path free from partially fed or jammed media? Remove any prestaged or jammed media. 3 Check the sensor (duplex input) for proper operation. Go to step 7. 1. Enter the diagnostic mode. 2. Select Duplex tests. 3. Select sensor test. 4. Observe the line item "input". Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Go to step 4. 4 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the sensor (duplex input). Replace the connection. Go to "Sensor (duplex input) removal (5350dn, 5530dn, and T656)" on page 4-69. 5 Check the media path for partially fed or jammed media. Go to step 6. Is the media path free from partially fed or jammed media? Remove any prestaged or jammed media. 6 Check the sensor (duplex input) for proper operation. 1. Enter the diagnostic mode. 2. Select Duplex tests. 3. Select sensor test. 4. Observe the line item "input". Go to step 7. Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. 7 Perform a print test using the duplex. Does the problem remain? Contact next highest level of tech support. Replace the external duplex assembly. Problem solved. 2-138 Service Manual