Cool Toner 2 Pack 27,000 Pages Compatible Toner Cartridge Replacement for 42X Q5942X Q1338A Q5942 Used for Laserjet 4200 4240 4250 4250TN 4250N 4250DTN 4300 4350 4345MFP 4350N 4350TN 4350DTN Support - advanced technology ensures stunning performance Service - Phone services for technical support Warranty - 3-years warranty; Replacement or Refund upon request High yield - cartridge yield: 27000 pages Crisp, sharp text and detailed graphics High density (up to 1.4) Consistent performance