Lexmark X543 series Service Manual page 70

7525xxx
Service error messages (1XX, 8XX and 9xx) (continued)
Error code
978.xx Service
Standard Network
or
978.xx Service
Network Card x
979.xx Service
Standard Network
or
979.xx Service
Network Card x
980.xx Service
<device> Comm.
981.xx Service
<device> Comm.
982.xx Service
<device> Comm.
983.xx Service
<device> Comm.
984.xx Service
<device> Comm.
2-26
Service Manual
Description
Bad checksum while programming
network port.
Flash parts failed while programming
the network port
Engine is experiencing unreliable
communications with the specified
device.
Note: <device> can be one of the
following:
• Duplex unit.
• Tray 2.
Engine protocol violation detected by
the specified device.
Note: <device> can be one of the
following:
• Duplex unit.
• Tray 2.
Communications error detected by the
specified device.
Note: <device> can be one of the
following:
• Duplex unit.
• Tray 2.
Invalid command received by the
specified device.
Note: <device> can be one of the
following:
• Duplex unit.
• Tray 2.
Invalid command parameter received
by the specified device.
Note: <device> can be one of the
following:
• Duplex unit.
• Tray 2.
Lexmark confidential until announce
Action
Check the following:
• Make sure you have downloaded the
code in binary mode, not ASCII.
• Reprogram the Network card.
• If the problem persists, and if installed,
check the network card for correct
installation.
• If correctly installed, replace the
network card.
If a network card is not installed, replace
the controller board.
Check the following:
• If installed, check the network card for
correct installation.
• If correctly installed, replace the
network card.
• If a network card is not installed,
replace the controller board.