Epson Serial Interface GQ-3500 - Manual (Page 4)

3.
4.
Configure the jumpers on the serial interface card as described
above.
Remove the parallel interface from the back of the printer by
loosening the two Knobs and pulling its straight out as shown in
Figure 1. Store the parallel in the box that the serial
interface came in
Figure 1. Removing the interface
5. Slide the serial interface into the slot on the back of the printer
until it is flush with the printer case.
6. Tighten two two knobs to secure the interface.
7. Connect the serial cable from your computer to the interface.
Serial Inteface
3