Dell 5230dn Mono Laser Printer Service Manual - Page 159

Step Check Yes No 12 Perform a print test and check the duplex drive motor assembly for proper operation. Does the above component operate properly? 13 Check media origination. Did the media originate from the external duplex? Go to step 17. Go to step 14. Replace the duplex drive motor assembly. Go to "Duplex drive motor assembly removal (5350dn, 5530dn, and T656)" on page 4-18. Go to step 16. 14 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 15. Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Replace the external duplex assembly. 15 Check the sensor (duplex exit) for proper operation. 1. Enter the diagnostic mode. 2. Select Duplex tests. 3. Select sensor test. 4. Observe the line item "exist". Go to step 17. Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Replace the external duplex assembly. 16 Check the two pick roll assemblies in the media tray being Go to step 17. picked from. Are the above components free of excess wear and contamination? 17 Check the aligner assembly for obstructions. Is the above component free from obstructions? Go to step 18. Clean or replace the pick roll assembly. Go to "Pick roll assembly removal" on page 4-57. Remove obstructions. 18 Check the sensor (input) for proper operation. 1. Enter the diagnostic mode. The sensor is Go to step 19. working properly. 2. Select Base sensor test. Go to step 20. 3. 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. 19 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the Sensor (input). Go to "Sensor (input) removal" on page 4-71. Replace the connection. Diagnostic information 2-125