i do it from the HP utilitity application - it is easy if you know how to do it- like with many things in life..
you can find the app on a mac in system-preferences- printers- HP-z3100-
step 1
then open it and follow step 2-4
you start with setting the requirements of the paper by copying a preset ( take a note in case you forget) .... press the + sign below
you give the paper a name - step4
then calibrate the paperfeed - from the printer menu .
calibrate the color - from the HPutility or the printer menu...... press the other sign below ( step 3)
and make a basic profile from the HPutility ..... press the other sign below ( step 3)
ready
see the images