Compatible replacement for HP CF031A. Page Yield or Volume @ 5% coverage will be approx 12500. 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 Enterprise CM4540 MFP, Color LaserJet Enterprise CM4540f MFP, Color LaserJet Enterprise CM4540fskm MFP