53 Unformatted flash detected
Try one or more of the following:
•Press the arrow buttons until 
Continue appears, and then press 
to stop the defragment operation and continue printing.
•Format the flash memory. If the error message remains, the flash memory may be defective and require replacing.
54 Serial option <x> error
<x> is the number of the serial option. Try one or more of the following:
•Check that the serial cable is connected correctly and is the proper one for the serial port.
•Check that the serial interface parameters (protocol, baud, parity, and data bits) are set correctly on the printer and host computer.
•Press the arrow buttons until 
Continue appears, and then press 
to continue printing.
•Turn the printer off and then back on to reset the printer.
54 Network <x> software error
Try one or more of the following:
•Press the arrow buttons until 
Continue appears, and then press 
to continue printing.
•Turn the printer off and then back on to reset the printer.
•Upgrade (flash) the network firmware in the printer or print server.
54 Standard network software error
Try one or more of the following:
•Press the arrow buttons until 
Continue appears, and then press 
to continue printing.
•Turn the printer off and then back on to reset the printer.
•Upgrade (flash) the network firmware in the printer or print server.
55 Unsupported option in slot <x>
<x> is a slot on the printer system board. Try one or more of the following:
1Turn the printer power off.
2Unplug the power cord from the wall outlet.
3Remove the unsupported option card from the printer system board.
4Connect the power cord to a properly grounded outlet.
5Turn the printer power back on.
Understanding printer messages
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