Remedy: Indicates a failure within the Download Emulation which is programmed into the code overlay card. The specific error is as follows: 964 - Download Emulation CRC Failure. Checksum Failure
Code: 975 ... 979
Description: Network Card x
Remedy: The following errors indicate a failure with the network card in the specified slot. (x=any card installed in slots 1 or 2.) • 975 - Unrecognizable Network Card x. Replace network card x. • 976 - Unrecoverable software error in network card x. • 978 - Bad checksum while programming network card x. Replace network card x. • 979 - Flash parts failed while programming network card x. If the printer is a network model, replace the system board.
Code: 980
Description: <device> Comm
Remedy: The engine is experiencing unreliable communications to the specified device.
Code: 981
Description: <device>
Remedy: The engine protocol violation detected by the specified device.
Code: 982
Description: <device> Comm
Remedy: Communications error detected by the specified device.
Code: 983
Description: <device>
Remedy: Invalid command received by the specified device.
Code: 984
Description: <device>
Remedy: Invalid command parameter received by the specified device. Note: Service errors 980 thru 984 <device> can be one of the following: system board, duplex, tray x (1, 2, 3, 4, or 5), envelope feeder or output bin.
Code: 990
Description: <device>
Remedy: Indicates an equipment check condition has occurred in the specified device, but the device is unable to identify the exact component failure. Note: <device> can be one of the following: duplex, tray x (1, 2, 3, 4, or 5), envelope feeder or output bin.