Epson EPL-6200 Reference Manual page 423

Problems with the printer driver
The printer driver or printer that you need to use does not appear
in the Chooser.
Cause
QuickDraw GX is in use.
The printer name has been
changed.
The AppleTalk zone setting is
incorrect.
406
Troubleshooting
What to do
This printer's driver does not support
QuickDraw GX. Disable QuickDraw
GX.
Ask the network administrator for
details, and then select the appropriate
printer name.
Open the Chooser, and then select the
AppleTalk zone that the printer is
connected to.