Lexmark C540n Service Manual page 57

Service error messages (1xx, 9xx) (continued)
Error code Description
976.xx Service Unrecoverable software or error in
Standard Network network or network card x.
or
976.xx Service
Network Card x
978.xx Service Bad checksum while programming
Standard Network Standard Network or Network Card x
port.
or
978.xx Service
Network Card x
979.xx Service Flash parts failed while programming
Standard Network the Standard Network or Network Card
x port.
or
979.xx Service
Network Card x
982.xx Service Communications error detected by the
<device> Comm. specified device.
Note: <device> can be one of the
following:
• Tray 2
• Tray 3.
990.xx Service This error message indicates that an
<device> equipment check condition has
occurred in the specified device.
Note: <device> can be one of the
following:
• Tray 2
• Tray 3.
Action
If unable to clear the error message, check
the following:
• If installed, check network card for
correct installation.
• If correctly installed, replace the
network card.
• If a network card is not installed,
replace the controller board. See
"Controller board removal" on
page 4-20.
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. See
"Controller
board removal" on page 4-20.
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. See
"Controller board removal" on
page 4-20.
Go to the service check for the device
indicated.
Diagnostic information
5025-2xx, 4xx
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