Clever Supplies brand products are made with high quality components. Why pay more for cheaper product with a high defective rate? You will end up having to send it back to the manufacturer. Get a quality product that you KNOW will work. Purchase the Clever Supplies Compatible for HP CM6030F 4 Color Set and experience the difference! All Clever Supplies brand products are backed by '100% Quality Satisfaction' 1 year warranty against defects in materials and workmanship for all toner products. Free tech support for any problems for all Clever Supplies brand products.The use of Clever Supplies brand replacement laser toner cartridges and supplies does not void printer warranty. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. These units are manufactured 100% brand new with all new parts including OPC drums, wiper blades, a smart chip and other internal parts, they are an economical alternative to expensive OEM CB390A, CB381A, CB382A, CB383A laser toner cartridges. The compatible toner cartridge will produce the same amount of page yield as an OEM cartridge would. This is a Compatible for HP CM6030F Toner Cartridges 4 Color Set guaranteed to perform with HP Laser Printers. It replaces the original HP CM6030F Toner Cartridges 4 Color Set. The compatible replacement for CB390A, CB381A, CB382A, CB383A. The use of compatible replacement Cartridges and supplies does not void Printer Warranty. Our Compatible for CB390A, CB381A, CB382A, CB383A Cartridge is a replacement for OEM HP. We offer a 100% Quality Satisfaction Guarantee on our Compatible for CB390A, CB381A, CB382A, CB383A Laser Toner Cartridges and supplies. For use in the following printers: COLOR CM6030, COLOR CM6030F, COLOR CM6040, COLOR CM6040F, COLOR CM6049F, COLOR CM6030 MFP, COLOR CM6030F MFP, COLOR CM6030FM, COLOR CM6040 MFP, COLOR CM6040F MFP