That property is misnamed (IMO). It should say "remove the whole band if this field and every other field is blank." Or something like that.

Also, check that if you double click on the detail band that it's not set to constant band height.

>I have a detail band that has ~20 fields (vertically) that is about 5 inches tall. All of the fields have "remove line if blank" enabled.
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>If only 3 fields are printing ( I have a "print when" statment), it prints about 8 rows (1/2 way down the page ), then skips to the next page. I assume that this is because the report thinks the detail band takes up 5 inches, and since there isn't 5 inches left, it skips to the next page.
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