Lexmark X658DFE Service Manual - Page 146

7462 Error code or message 964.xx Error contents Emulation failure 975.xx 976.xx Network Error Network Error 978.xx Network Error 979.xx 982.04 Network Error Output option communication failure. 982.07 990.00 990.51 Too many options installed Output option equipment check. HCIT tray lift motor PWM underflow error Description/Action The download Emulation Cyclic Redundancy Check (CRC) detected a failure. The system detected an unrecognizable network port The system detected an unrecoverable software error in network port The system detected a bad checksum while programming network port The flash parts failed while programming a network port An output option was not fully seated onto the printer or has been removed while the main power is turned on. Exceeded the maximum number of input or output options. Output option rear door not fully closed. The HCIT tray lift motor does not operate at the specified speed reported by tray x Possible repair actions 1. 1. Disable the Download Emulation. Program the download emulation into the firmware card again. 2. Replace the system card assembly if problem remains. Go to "System card assembly removal (X651, X652, X654, X656, and X658)" on page 4-51. 1. Turn the main power off. 2. Remove and reinstall the output option. 3. Turn the main power back on. 4. Check all output option interface connections if problem remains. Remove the appropriate input or output options. Close the rear door on all output options. 1. Check for obstruction in the HCIT tray lift area. 2. Check the connections on the HCIT tray lift motor assembly for proper connection. 3. Replace the HCIT tray lift motor drive motor assembly if problem remains. Go to "High capacity input tray (HCIT) tray lift drive motor assembly removal" on page 4-159. 2-112 Service Manual