Lexmark T652 Service Manual - Page 69

4062 Error code or message 230.20 Error contents Description/Action Possible repair actions Internal duplex drive motor lost encoder failure Source = Internal duplex The internal duplex drive motor is not reporting pulses back to the engine. 1. Remove all media present in media path. 2. Check all connections on the duplex media entrance drive motor assembly. 3. Check all connections on the system card assembly. 4. Replace the duplex drive motor assembly if problem remains. Go to "Duplex drive motor assembly removal (T652, T654)" on page 4-19. Go to sensor (duplex input) late jam service check. See "Sensor (duplex input) late jam service check." on page 2-141. Go to sensor (duplex input) lingering jam service check. See "Sensor (pass through) late jam service check" on page 2-145. 1. Remove all media present in media path. 2. Check for obstructions in media path. 3. Ensure the external duplex assembly is properly installed. 4. Ensure the rear door of the external duplex is fully closed. 5. Check all connections on the external duplex assembly. 6. Replace the external duplex assembly if problem remains. 231.00 Sensor (duplex input) late jam Source = External duplex Media is late reaching the sensor (duplex input) within the specified time. 232.00 Sensor (duplex input) lingering jam Source = External duplex Media reached the sensor (duplex input) but did not clear it in the specified time. 233.00 Sensor (duplex double-feed) late jam Source = External duplex Media is late reaching the sensor (duplex double-feed) within the specified time. Diagnostic information 2-35