Lexmark C540 Service Manual page 57

Service error messages (1xx, 9xx) (continued)
Error code Description
980.xx Service Engine is experiencing unreliable
<device> Comm. communications with the specified
device.
Note: <device> can be one of the
following:
981.xx Service Engine protocol violation detected by
<device> Comm. the specified device.
Note: <device> can be one of the
following:
982.xx Service Communications error detected by the
<device> Comm. specified device.
Note: <device> can be one of the
following:
983.xx Service Invalid command received by the
<device> Comm. specified device.
Note: <device> can be one of the
following:
984.xx Service Invalid command parameter received
<device> Comm. by the specified device.
Note: <device> can be one of the
following:
990.xx Service This error message indicates that an
<device> 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:
991.xx Service The specified device has detected an
<device> Card equipment check in its controller board.
• Duplex unit.
• Tray 2.
• Duplex unit.
• Tray 2.
• Duplex unit.
• Tray 2.
• Duplex unit.
• Tray 2.
• Duplex unit.
• Tray 2.
• Duplex unit.
• Tray 2.
Action
Go to the service check for the device
indicated.
Diagnostic information
5025-2xx, 4xx
2-23