Product Configurations Interfaces Serial (9 Pin D-Sub) UB + USB interface model Serial (25 Pin D-Sub) interface model Ethernet interface model EDG (Epson Dark Gray) Accessories Included AC adapter (Model: PS-180) Cable hook User’s manual Options Paper supply device (Model: SU-RPL500/RPL500B) USB/RS-232C D-sub9 interface board (Model: UB-U500) RS-232C D-sub25 interface board (Model: UB-S500) Ethernet interface board (Model: UB-E500) These optional interface boards are only for the TM-L500A. Never use them with other Epson printers. Also, never use other interface boards with the TM-L500A. 12 Colors