42X Hewlett-Packard Compatible Toner, Black, 27K High Yield Jumbo. Works with: LaserJet 4200DTN/N/TN, 4250/DTN/DTNSL/N/TN, 4300, 4345/X/XM/XS MFP, 4345X/XM/XS, 4350DTN/DTNSL/N/TN
42X Hewlett-Packard Compatible Toner, Black, 27K High Yield Jumbo. Works with: LaserJet 4200DTN/N/TN, 4250/DTN/DTNSL/N/TN, 4300, 4345/X/XM/XS MFP, 4345X/XM/XS, 4350DTN/DTNSL/N/TN