The continued use of your Hewlett Packard colour laser printer is reliant upon the use of quality maintenance products and the CE249A certainly falls well within this category.  Whether you opt to have one continuously on hold and ready to go, or have waited for a prompt from you HP Colour LaserJet Enterprise CM4540 MFP (or other compatible printers) you are sure to glad of your purchase.Fully guaranteed to be compatible with all printers listed on this page and with the unspoken mark of quality that original Hewlett Packard products carry, the CE249A is a pleasure to use.