ISO Laserjet I/II/III firmware

[Ali]

> I mainly don't save the Laserjet <anything> because no parts and they
> don't run forever.  If there was a way to extend life I didn't practice
> it.  Such as recharging the cartridges, etc.
> 

What? I have restored an maintained a number of early LJs. Check eBay for parts and ink. The newer ones are actually harder to maintain because of all the DRM in the toner cartridges and poor build quality.