To cancel the print job, press the Cancel button 
.
To prevent this error in the future:
Install additional memory.
Simplify the job. Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary fonts or macros.
37 Insufficient Defrag Memory
To clear the message, press the Continue button 
.
To cancel the print job, press the Cancel button 
.
To prevent this error in the future, install additional memory.
38 Memory Full
To clear the message and continue printing, press the Continue button 
. The remainder of the print job may not print correctly.
To cancel the print job, press the Cancel button 
.
To prevent this error in the future:
Simplify the job. Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary fonts or macros.
Install additional memory.
54 Standard Network Software Error
To clear the message and disable all communication between the printer and the network, press the Continue button 
.
To ignore the message, press the Cancel button 
.
56 Standard Parallel/USB Port Disabled
To clear the message, press the Continue button 
. The printer discards any previously sent print jobs. Enable the
parallel or USB port by selecting a value other than Disabled for the Parallel Buffer or USB Buffer item in the Local Printer Settings Utility.
58 Too Many Flash Options
Remove the memory from your printer. Your printer supports up to 128 MB additional flash memory.
81 Engine Code CRC Failure
Press the Continue button 
to clear the message.