Lexmark C720 Printer User Manual


 
164
What this message means:
The printer has detected a serial interface error on a serial port.
What you can do:
Make sure the serial link is set up correctly and you are using the appropriate cable.
Press Go to clear the message and continue printing. The job may not print correctly.
Press Menu> or <Menu to open the Job Menu and reset the printer.
What these messages mean:
The printer cannot establish communications with an installed network port.
What you can do:
Press Go to clear the message and continue printing. The job may not print correctly.
Program new firmware for the network interface by the parallel port.
Press Menu> or <Menu to open the Job Menu and reset the printer.
What these messages mean:
The printer has lost the connection to an external print server (also called an external network
adapter or ENA).
What you can do:
Make sure the cable connecting the ENA and the printer is securely attached. Turn the printer
off and then on to reset the printer.
Press Go to clear the message. The printer erases any reference to the ENA and then resets.
55 Insufficient
Fax Buffer
What this message means:
The buffer used to process data is too full to receive an incoming fax. This has broken the
connection between the printer and the sending fax machine. The printer will not accept
additional fax data until sufficient fax buffer space is made available.
54 Network <x>
Software Error
54 Std Network
Software Error
54 Std Par ENA
Connection Lost
54 Par <x> ENA
Connection Lost