If you  have previously used this printer, you don't need to do this part.  Go directly to https://mathhelpdesk.freshdesk.com/solution/articles/14000065979-adding-the-m401-and-enr2-konica-minolta-printers-to-a-mac

Obtain and install the correct Mac driver from this site:  http://onyxweb.mykonicaminolta.com/OneStopProductSupport/SearchResults?products=1668&fileTypes=0

Driver to search for: Bizhub 364e which is combined with 554e series driver

Then click on the drivers button.  Choose this driver:

After you click on this, it will download the zip file.   Go to downloads and double click it.  Then you will see this file:

Double click this to launch the installer:

Click through all the steps for the installer until it finishes.  

Next install the printer following these instructions