Epson STYLUS Photo EX User Manual page 142

Technical Specifications
Connector
Recommended cable
Handshaking: X-ON/X-OFF and DTR protocol
Word format:
Data bit: 8 bits
Parity bit: None
Start bit: 1 bit
Stop bit: 1 bit
8-pin mini-DIN
Apple System Peripheral-8 cable (part number M0197)
B-8