Complex sentence: Initially starting out as a photo-copy based zine with a print circulation of 500, by the start of 1994 the publication had become a two-color magazine with a print circulation of 1,500, published bi-monthly.
Split into simpler sentences: Initially starting out as a photo-copy based zine with a print circulation of 500. By the start of 1994 the publication had become a two-color magazine with a print circulation of 1,500, published bi-monthly.