It often takes several minutes for a print dialog to come up the first time that it's summoned in InDesign on the Mac.
Subsequently, the dialog pops up immediately after using the print command.
This has been the case for the last several versions.
I'm gonna call it a bug. How 'bout you?
How 'bout fixing it?
Built by Erik Frick © 2018. Concept by Adam Meisel & Erik Frick. Adobe apps & icons are © Adobe Systems Inc.