After reading this thread, I'm inclined to feel that nothing can be done.
Specifically, the adhesives have so deeply attacked and/or bonded with the
styrene component of the ABS, that Nothing Can Be Done.

You can get a 4M cheap. Mine is 20+ years old and still running fine. It's
not as fast as newer machines, but the quality is impeccable. You should see
the way it prints the eensy-teensy text on Disney discount coupons. And it's
PostScript, which means that finding a usable driver is no problem.