Lexmark C540 - Page 57

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