Epson EPL-N7000 - Manual (Page 342)

Troubleshooting 331
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Undefined errors
Problems Using Options
To confirm that your options are installed correctly, print a status
sheet. See “Printing a Status Sheet” on page 304 for details.
An undefined error occurs.
Cause What to do
The version of the Mac OS that
you are using is unsupported. This printer’s driver can only be used on
Macintosh computers running Mac OS
8.6 or 9.x, and Mac OS X version 10.2.4
or later.
There is insufficient memory
for printing. The Macintosh printer driver uses
available memory in the system to
process print data. Try one of the
following to free up memory for
printing:
(1) Reduce the RAM cache setting in the
Memory control panel (Mac OS 8.6 or
9.x).
(2) Close applications that are not in use.
(3) Increase the memory allocation for
the application that you are printing
from (Mac OS 8.6 or 9.x).
(4) Turn off background printing.