Lexmark Optra S Service Manual - Page 32

4059-XXX Error Code Action 939 Controller Engine Communications Error The controller board and the engine board cannot communicate with one another. The controller board, engine board or interconnect board is defective. Check each board for correct installation and secure ground. If no problem is found, replace the FRUs in the following order: controller board engine board interconnect board Note: The controller software also can cause a 939 error code. Contact your next level for software support. 941 Controller Code CRC Replace the controller board. 941 Controller Font CRC Replace the controller board. 943 Controller Font Version Indicates that the controller code and FONT ROM are incompatible. 944 Controller Board Failure Replace the controller board. 945 Controller Board Failure ASIC Failure Replace the controller board. 946 Controller Board Failure SRAM Failure Replace the controller board. 947 Engine Board Replace the engine board. 953 NVRAM Failure Indicates the NVRAM Chip on the engine board has failed. Replace the engine board. 954 NVRAM Failure Indicates the NVRAM experienced a CRC failure. Replace the engine board. 2-5 4059 Service Manual