Compatible replacement for HP Q3961A. Page Yield or Volume @ 5% coverage will be approx 4000. This is a Laser Toners. Prices exclude VAT and delivery. All products are covered by a 2 year warranty and next day replacement service. Name and numbers are for indicative purposes only. All products are non-original/non-OEM. FITS: Color LaserJet 2550L, Color LaserJet 2550Ln, Color LaserJet 2550n, Color LaserJet 2820, Color LaserJet 2840