This is a tough one. The Facebook content is in an iframe (inline frame) and due to the style rules in the frame, or something about the way the frame is positioned in the page, Firefox is not correctly paginating the full iframe content.

There are lots of cases like this where Firefox stumbles in its print layout. Often a little hack solves it, but in this case, I don't see a quick fix.

You can print the comments in full as follows:

right-click the Facebook content > This Frame > Print Frame

In the print dialog, you can start on page 2 (e.g., 2 to 99) to reduce the duplication. (Due to text size difference when printing the FB content outside of the frame, there was still some overlap in my test.)

This is very informative, jscher2000. Thank you!

a. I didn't realize the comments on this page are a FB frame--fascinating! b. The "This Frame" context menu is new to me too. May be very useful in the future. c. When I put the FB frame into a new tab, the tab has no vertical scroll bar, so scrolling via the mouse is disabled. However PageUp and PageDown keys work fine. (A bit of code missing??) d. Print preview of the FB frame in its own tab does show the comments all the way to the end.

Thanks again!

Re c: I also did not get scroll bars in the new tab, which is why I didn't mention that options in this case. It didn't occur to me to try the keyboard navigation. The body of the comments page has the style rule overflow:hidden which disables scroll bars. (I think it is set up that way because it can be confusing to have scroll bars in an iframe and they didn't intend to have you view the comments on their own.)

It's very good of you to take the time to explain how & why stuff works--stuff I love knowing. You're a good teacher. :-) Again, thank you very much!