Dell 5230dn Mono Laser Printer Service Manual - Page 72

Error code or message 239.01 Error contents External duplex assembly error Source = External duplex 239.02 External duplex assembly error Source = External duplex 239.03 Device controls response error. Source = External duplex Description/Action Possible repair actions Mechanical feed error or timing error. Mechanical feed error or timing error. Mechanical feed error or timing error. 1. Remove all media present in media path. 2. Check media for proper installation. 3. Check for obstructions in media path. 4. Ensure the external duplex assembly is properly installed. 5. Ensure the rear door of the external duplex is fully closed. 6. Check all connections on the external duplex assembly. 7. Replace the external duplex assembly if problem remains. 1. Remove all media present in media path. 2. Check media for proper installation. 3. Check for obstructions in media path. 4. Ensure the external duplex assembly is properly installed. 5. Ensure the rear door of the external duplex is fully closed. 6. Check all connections on the external duplex assembly. 7. Replace the external duplex assembly if problem remains. 1. Remove all media present in media path. 2. Check media for proper installation. 3. Check for obstructions in media path. 4. Ensure the external duplex assembly is properly installed. 5. Ensure the rear door of the external duplex is fully closed. 6. Check all connections on the external duplex assembly. 7. Replace the external duplex assembly if problem remains. 2-38 Service Manual