This original Hewlett Packard CB540A toner cartridge is the ultimate black toner cartridge for use in the HP Colour LaserJet CM1312 and all the other printers listed above. As a genuine HP product you can expect the very best print quality from the CB540A and all of the other cartridges in the HP 125A range of cartridges. The built in drum unit ensures your CB540A toner cartridge prints beautiful defect free print from the first page to the last. The price you see here includes fast, free delivery within UK and VAT as well. As an original Hewlett Packard toner cartridge this product comes fully guaranteed and is sure to impress you with it`s quality.