I have downloaded the document from your site and I still get the same result using your settings.
I did tell you about the hidden text on 18/4. I have deleted the graphic, deleted the hidden text and pasted the graphic back but no difference. Also left out the graphic but still no difference.
The printer is a Canon MP620 just installed so drivers will probably be up to date.
Compatibility tab shows one option ticked 'Do full justification like WordPerfect 6.x for Windows'. Unticked but no difference. Font Substitution is OK.
Normal + Arial is a Style.
I am not using Scaling.
If I Select All and change font to Times New Roman, print spacing is then normal but I have used this solution previously and then encountered the same printing problem using TNR the following month. Others on my circulation list have encountered same printing problem but not everybody.
Looks like a gremlin. Thanks for your time and effort.