laser vs laserjet for herbarium labels

[Lawrence Janeway]

  Does anyone know if laserjet printing is as good as laser printing for
herbarium labels?  Both kinds of printers are listed as "true laser," but=

I've seen some hint that while laser printers use heat to fuse the toner =
to
the paper, laserjet printers don't use heat in the fusing process.  Do I
have this right?  Do the different fusing methods affect the permanence o=
f
the ink on the paper?
  I'm not dealing with immersion in solvents here -- just typical herbari=
um
sheet environments, which may include fumigants (such as
para-dichlorobenzene or dichlorvos), freezing at -20C or microwaving, plu=
s
the usual need to not fade over perhaps hundreds of years.
  Thanks for your help.

Lawrence Janeway, Curator
Biological Sciences Herbarium (CHSC)
California State University, Chico
Chico, CA 95929-0515
530/898-5381
lpjaneway at compuserve.com