I took this a little further so here's the rundown for anyone who might
be googling for the info....
The printer's official name is "LaserJet CP1525nw color" but there is
no such driver.
Existing drivers are:
- HP Color LaserJet cp1515n
- HP Laser Jet cp1520 Series
.. not to mention several other makes with 1520 models
see what I mean? The cp1515n drivers will work but results can be
unpredictable, some were fixable by using older versions of hplip as had
been suggested in many places on the net since this printer came out.
It can be a bit confusing especially since only the 1515 drivers use the
word color and these show up far ahead of the 1520 non-color named
drivers near the bottom of the long drivers list (in Yast).
THE DRIVER TO USE IS THE "HP LaserJet cp1520 Series" driver, no need to
backlevel hplip and no problems with blackspace either.
HTH whomever.