In The Printer Setup Utility (For Mac Os X 10.3), Print Center (For Mac Os X 10.2), Or Chooser (For Mac Os 9) - Epson C2600/2600 Owner's Manual

The printer driver or printer that you need to use
does not appear in the Printer Setup Utility (for
Mac OS X 10.3), Print Center (for Mac OS X 10.2),
or Chooser (for Mac OS 9)
Cause
QuickDraw GX is in use (Mac OS
9).
The printer name has been
changed.
The AppleTalk zone setting is
incorrect.
The font on the printout is different from that on
the screen
Cause
The PostScript screen fonts are not
installed.
396
Troubleshooting
What to do
This printer's driver does not support
QuickDraw GX. Disable QuickDraw GX.
Ask the network administrator for details,
then select the appropriate printer name.
Open the Printer Setup Utility (for Mac OS X
10.3), Print Center (for Mac OS X 10.2), or
Chooser (for Mac OS 9), then select the
AppleTalk zone that the printer is
connected to.
What to do
The PostScript screen fonts must be installed
on the computer that you are using.
Otherwise, the font that you select is
substituted by some other font for display on
the screen.