Hi Dave,
Download SP 16, SP 8 would not support Edge at all since it's before it's time.
To be able to use the ActiveX use IE, we are working on an inproc version of the printcontrol dll. vote it up...
https://ideas.sap.com/ct/ct_list.bix?c=A5E8DEA8-D886-4250-BA2B-039F7D32FFC0
Don