FREE Serial Port Splitter: Split/Share COM Port, Simultaneous Access
How to assign a Virtual Port to the TSP100LAN Series Printers - Help Center
Serial to HID Keyboard Emulator – ElectroDragon
Print Capture Hardware for printer replacement provides dot matrix printer alternative. Paperless Printing from machines, measuring instruments, analyzers or DOS based legacy equipment.
printing - Using a virtual printer to modify a receipt in a POS printer - Stack Overflow
Amazon.com: Suamdoen USB to DB25 Male Serial Converter Apdater Null Modem Crossover Printer Cable FTDI Driver Programming for Epson TM-T88V Printer : Electronics
RS232 software: rs232 logger, rs232 port monitor, tcp-com bridge, etc. by AGG Software
Virtual Serial Port Kit - Create virtual serial ports connected via a virtual null-modem cable.
82240B Printer Emulation for Windows, Linux, and Possibly Mac
PT8 Dot Matrix Print Capture Device While Using Printer - YouTube
Plottergeist - HPGL Plotter and PCL Printer Emulator Software
232key - free RS-232 to keyboard software (keyboard wedge)
RS232 cable information
Serial Terminal Basics - SparkFun Learn
Serial Printer Logger - replaces a serial/RS232/LPT printer and converts print jobs to electronic documents
How to print hexadecimal and Binary on to Serial Monitor? - Hackster.io
4. Serial Communications - Arduino Cookbook [Book]