Epson ES-1200C - Manual (Page 20)

Use a standard shielded parallel interface cable.
1. Make sure that both the scanner and computer are turned
Off.
2. Connect the 25-pin end of the cable to the computer; then
tighten the screws on the sides of the connector.
3. Connect the 36-pin end of the cable to the scanner; then
fasten the connector with the clamps on the sides of the
connector.
Setting Up the Scanner 1-7