Dell 5230dn Mono Laser Printer Service Manual - Page 155

Sensor (narrow media) service check Step Check Yes No 1 Check the sensor (narrow media) for damage. Is the above component free from damage? Go to step 2. Replace the fuser unit assembly. Go to "Fuser unit assembly removal" on page 4-22. 2 1. Enter the diagnostic mode. 2. Select Base sensor test. The sensor is Go to step 2. working properly 3. Observe the line item "narrow media". Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. 3 Check the above sensor for proper connection. Is the above sensor connected properly? Replace fuser unit assembly. Go to "Fuser unit assembly removal" on page 4-22. Replace the connection. Sensor (duplex input) service check Step Check 1 Check the sensor (duplex input) for damage. Is the above component free from damage? Yes Go to step 2. 2 1. Enter the diagnostic mode. 2. Select Duplex sensor tests. The sensor is working properly 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. No Replace the sensor (duplex input). Go to "Sensor (duplex input) removal (5350dn, 5530dn, and T656)" on page 4-69. Go to step 2. Diagnostic information 2-121