Lexmark T650 Service Manual - Page 69
Source = External, removal T652, T654
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4062 Error code or message 230.20 231.00 232.00 233.00 Error contents Internal duplex drive motor lost encoder failure Source = Internal duplex Sensor (duplex input) late jam Source = External duplex Sensor (duplex input) lingering jam Source = External duplex Sensor (duplex double-feed) late jam Source = External duplex Description/Action The internal duplex drive motor is not reporting pulses back to the engine. Media is late reaching the sensor (duplex input) within the specified time. Media reached the sensor (duplex input) but did not clear it in the specified time. Media is late reaching the sensor (duplex double-feed) within the specified time. Possible repair actions 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. Diagnostic information 2-35
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