Click to expand Tap to zoom 3100 (K4971) Black Toner (Dynamo Compatible) by Dynamo Sale Ex. VAT: $29.00 Incl. VAT: $35.67 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart High Yield Black Toner for Dell:Series 3100 PrintersPage Yield of 4,000 Pages @ 5% coverage (That's the same as the original)