Hi
I have an Okidata ML393 dot matrix printer that I got circa 1989, and darn it if I just can't part with this old war horse.
The printer was in storage for a couple years due to moving and instability, now that its over with I'm trying to add it back to my home network.
The printer itself has an unusual problem. Without a parallel cable the printer has a self test and everything goes green. A new cartridge is installed and the tractor feed seems to be fine.
When the parallel cable is attached the printer powers down to the point where only the green power light is on. The error light doesn't display anything and its the same effect as if you turn it on without having the personality cartridge plugged in. Powering on the printer produces no self test and doesn't produce the normal buzz that this printer makes. and no other lights come on.
Thus far in testing I've tried a different power outlet as I noticed the problem with everything hooked up I thought the power bar wasn't giving enough power.
I've tried three different cables that I had in storage. All produce the same result. I've tried two different V1.0 PPSX1 Linksys print servers just to see if it was one of them malfunctioning, both produce the same result and I know that the Okidata and one of the PPSX1 ones happily worked together for over 10 years.
Anyone have any suggestions, or insights?
I joined because of this topic which is as close as I can find to anyone else reporting a similar problem with an Okidata printer
https://www.eevblog.com/forum/general-chat/oki-dot-matrix-printer-annoying-problem/