I attempted to "Print Blank Quiz" on a New Quiz, but after selecting that and choosing the font size, the next screen just kept spinning and never showed anything. Curiously, if I instead selected "Print Key (With Answers)", there were no issues.
The issue turned out to be the IP restrictions (i.e., "Filter IP addresses") I had placed on the quiz. When attempting to print the blank quiz, I was not in that IP range. Once I eliminated the IP restrictions, I was able to print the blank quiz. Note that "Print Key (With Answers)" was not affected by the IP restrictions.