Upgrade the network firmware in the printer or print server.
To ignore the message and continue printing, press the Back button 
. The current job may not print correctly.
To cancel the print job, press the Cancel button 
.
56 Standard Parallel Port Disabled
The printer discards any data received through the parallel port.
To ignore the message and continue printing, press the Back button 
. The current job may not print correctly.
To cancel the print job, press the Cancel button 
.
Ensure that the Parallel Buffer menu item is not set to Disabled. For more information see Parallel Buffer.
56 Standard USB Port Disabled
The printer discards any data received through the USB port.
To ignore the message and continue printing, press the Back button 
. The current job may not print correctly.
To cancel the print job, press the Cancel button 
.
Ensure that the USB Buffer menu item is not set to Disabled. For more information, see USB Buffer.
