NEC LC-890
Sometimes (rarely) I'll run 5 copies of an empty page through the 890 (with
a tiny PostScript program) to clear loose toner. Usually, a good wipedown
also does the trick. The culprits are the big, dirty spreader roller and
loose particles that fall from the PC cartridge.
We need to cross breed the NEC-890 with the common house cat to come up
with a printer that cleans itself. Not sure NEC is working on that one
yet.