A4 page is 8.3x11.7 inches use 1200 dpi printer to print b/w dots this gives: 8.3 * 11.7 * 1200 * 1200 bits/page = 17 MB/page 5 TB are 142 Books with 1000 pag

A4 page is 8.3x11.7 inches use 1200 dpi printer to print b/w dots this gives: 8.3 * 11.7 * 1200 * 1200 bits/page = 17 MB/page 5 TB are 142 Books with 1000 pages double sided each (size of a small personal library) case closed.