I doubt the driver posted in this thread will help but it's all I was able to find here on driverguide.com:
Instructions for downloading drivers is at the bottom of this page.
Scroll all the way down and read the printed instructions.
I can't tell if drivers for Windows 7 x64 are available because you must register and log-in to check.
TM-U220A Model M188A (with parallel port):
TM-U220A Model M188A (with serial port):