Apple IIGS System Disk 4.0 and GS/OS support printing to these Epson
printers through the Practical Peripherals Graphic Card:
FX-100
FX-850
FX-1050
LQ-850
LQ-1050
LX-800
RX-80
To use these Epson printers, you must have installed the Practical Peripherals
Graphic Card; it is the only interface card supported. Also, all eight
switches on the printer must be in the UP position. Use either the printer
default setting or see the Practical Peripherals Graphic Card manual for
individual printer settings.
For more information, search in the Tech Info Library under "Practical
Peripherals" and "Epson."