How to fix the bug with indents in the print version?

Question

css

Good afternoon, there was a bug when printing pages, there is a print.css that hides the foot header of the menu, etc., when printing some pages on the site, not all of them, the content is strangely broken, there may be a title and then a huge gap and continue on the next page, if you change the layout when printing everything seems to be ok from portrait to landscape, and if you increase the font on some pages, it will be ok, but on others, on the contrary, I would like to understand the logic of how he makes these spaces and transfers to another page.