Lexmark 5021-0XX User Manual
Page 95

Diagnostic information
2-17
5021-0XX
54 Serial Option
54 Standard Serial
Error
Printer has detected
a serial interface
error on a serial
port.
Make sure serial link is set up
correctly and you are using
appropriate cable.
Press Go to clear message
and continue printing. Job may
not print correctly.
Press Menu to open Job Menu
and reset printer.
54 Network
Software Error
54 Std Network
Software Error
Printer cannot
establish
communications
with an installed
network port.
Press Go to clear message
and continue printing. Job may
not print correctly.
Program new firmware for
network interface by way of
parallel port.
Press Menu to open Job Menu
and reset printer.
54 Std Par ENA
Connection Lost
54 Par
Connection Lost
Printer has lost
connection to an
external print server
(also called an
external network
adapter or ENA).
Make sure cable connecting
ENA and printer is securely
attached. Turn printer off and
then on to reset printer.
Press Go to clear the
message. Printer erases any
reference to ENA and then
resets.
55 Unsupported
Option in Slot
55 Unsupported
Flash in Slot
An unsupported
option card is
installed in one of
ports or an
unsupported flash
DIMM is installed in
a memory slot.
Turn off and unplug printer.
Remove unsupported option.
Plug in printer and turn it on.
56 Serial Port
Disabled
Data has been sent
to printer through a
serial port, but
serial port is
disabled.
Press Go to clear message.
Printer discards any data
received through serial port.
Make sure Serial Buffer menu
item in Serial Menu is not set
to Disabled.
Message
Description
Action