Printing Problems
Are you using a Mac?
On a Mac, to print onto A4 paper, the paper size should be set to "A4" and the scaling should be set to "Scale to Fit:" and "Print Entire Image".
Have you tried the troubleshooting suggestions from Adobe?
https://helpx.adobe.com/ca/acrobat/kb/troubleshoot-pdf-printing-acrobat-reader.html