"Print royalties" refers to the compensation or payments received by authors, artists, or creators when their work is reproduced and sold in a physical printed format, such as books, magazines, or newspapers. Full definition
Having electronic rights on par with print royalties shouldn't be the issue. (blackplasticglasses.com)
Because the standard print royalty rates were set up so that authors and publishers ultimately hit a point where the profits would be shared equally, agents and the Authors Guild have consistently said the e-book royalty rate is unfair. (twliterary.com)