From Longman Dictionary of Contemporary Englishon paperon papera) TCWRITEif you put ideas or information on paper, you write them downput/get something down on paper You need to get some of these thoughts down on paper. b) TRUEif something seems true on paper, it seems to be true as an idea, but may not be true in a real situation SYN in theory It’s a nice idea on paper, but you’ll never get it to work. → paper
Examples from the Corpus
put/get something down on paper• He felt an urge to record certain facts, and he wanted to put them down on paper before he forgot them.• Well, Walter had been through the same things, but he wanted to put them down on paper. 