An Undefined Error Occurs (Mac Os Only) - Epson WorkForce AL-C500 Series User Manual

Cause
For Windows users only
The computer is connected to the network using
AppleTalk in a Windows 2000 environment, and the
Send CTRL+D Before Each Job or Send CTRL+D After
Each Job setting on the Device Settings sheet of the
printer's Properties dialog box is set to Yes.
For Windows users only
The print data is too large.
For Windows users only
Printing cannot be performed using the network
interface.

An undefined error occurs (Mac OS only)

Cause
The version of the Mac OS that you are using is
unsupported.
What to do
Make sure that both the Send CTRL+D Before Each Job and
Send CTRL+D After Each Job settings are set to No.
Click Advanced on the PostScript sheet of the printer's Properties,
then change the Data Format setting from ASCII data (default) to
TBCP (Tagged binary communications protocol).
When the Binary setting is set to On, TBCP is not available. Use the
Binary protocol. See "PS3 Menu" on page 79 for details.
Click Advanced on the PostScript sheet of the printer's Properties,
then change the Data Format setting from ASCII data (default) to
TBCP (Tagged binary communications protocol).
When the Binary setting is set to On, TBCP is not available. Use the
Binary protocol. See "PS3 Menu" on page 79 for details.
What to do
This printer's driver can only be used on Mac OS computers
running Mac OS X version 10.5.8 or later.
AL-C500 Series User's Guide
Troubleshooting 183