The most reliable option for your Lexmark laser printer for cartridges is a genuine product like this B282000. Whilst you pay for Lexmark quality when buying the B282000, you also get a quality of print that is unbeaten for the MB2770adhwe and any other compatible printer.Lexmark estimate that the B282000 will offer 3,000 prints in its life, making the cost per page pretty reasonable. Just like your monochromatic laser printer, the Lexmark B282000 comes with a full guarantee with the manufacturer, in the rare event that you should experience anything but perfect performance from this item.