[ale] [OT] LaserJet 4 toner cartridge replacement

[mattmagee.md at netzero.net (Matthew Magee)]

I got it for $145 (including shipping)
> on eBay, with a page-count of 225K, and it still prints beautiful,
> sharp pages.

Ahhh!  That's just broken in for a 4!  I worked with one with 750k on the
counter.  Yours should run forever.  If it breaks, just fix it.  Keep in
mind that the rebuilds are easy, but the cost could depend on availability.
I put a fuser in one before, but the part was free so I don't know if it
would be better (cheaper) just get another one.