Estimated pages on 5% coverage
Canon PGI 520 Black page yield: 324
Canon CLI 521 Black page yield: 815
Canon CLI 521 Cyan page yield: 535
Canon CLI 521 Magenta page yield: 510
Canon CLI 521 Yellow page yield: 530
Estimated full pages
Canon PGI 520 Black page yield: 54
Canon CLI 521 Black page yield: 135
Canon CLI 521 Cyan page yield: 89
Canon CLI 521 Magenta page yield: 85
Canon CLI 521 Yellow page yield: 88