Lexmark J110 Service Manual - Page 26

4085-001 Error 907 908 910 Symptom Engine NVRAM 10 Invalid data in flash memory 20 NVRAM checksum failure 30 Flash data programming failure 40 Engine NVRAM is not present or is not responding 50 Password rejected by engine NVRAM Note: When the index card and encoder dial FRU needs replacing, and a 907-10 error code is present, the engine board must be replaced. Engine NVRAM 90 Decompression / Rebuild Failure Carrier System 10 Carrier Motor stall or loss of encoder signals 20 Encoder Quadrature error 30 Temperature Sense--------> Calibration failure 40 Carrier running backward 50 Carrier Velocity Overshoot 60 Starfire ASIC Reset failure 70 Printhead and Index Voltage Level failure Action Check cabling to index board. 10 - Replace engine board. See "Engine Board /Cover Removal" on page 4-14 . 20 - Replace index board. See "Index Card Assembly Removal" on page 4-22 . 30 - Replace engine board. 40 and 50 - Replace index board. Check cabling to index board. Replace index board. See "Index Card Assembly Removal" on page 4-22 . Perform the "Carrier System Test" on page 3-32 . This would be caused by printhead contacts or carrier card. Note: "Carrier Systems Test" would not find this. 2-4 Service Manual