RL4e Mobile Label Printer~Interface Options: RS232 & USB Only (Serial)
Epson Serial Printer RS-232 - Sun-Tec Corporation
Printer Module 58mm Low Noise Direct Thermal Printing Mini Panel Mobile Receipt Printer Serial Interface Rs-232 Ttl - Buy 5v Control Panel Printer,Ttl Printer,Kiosk Printer Product on Alibaba.com
Epson UB-S01 - Serial adapter - RS-232 - for ReadyPrint T20; TM U210, U290, U300, U370, U925, U930 | Dell USA
Datamax-O´Neil MicroFlash 4t/4te - POSMicro.com
linux - CUPS - Add a parallel printer connected to serial port? - Unix & Linux Stack Exchange
98-0390034-00LF - TSC Printer Accessories: RS-232 Serial + USB Interface Module Replaces Ethernet Port
Star TSP650ii desktop thermal receipt printer with RS232 serial interface.
Serial Interface RS-232 Adapter/Card/Board for Epson POS Printer | eBay
Does my printer have a Serial or Parallel Connection?
Epson M111A RS232 Serial Interface for M129C M129H TM Series Printer | eBay
RS232 serial printer cable information - Lammert Bies
Epson Serial Interface Card UB-S01 2033577 (M111A)
Epson M111a Rs-232 Printer Serial Port Interface Card for sale online | eBay