This is a Compatible Hewlett Packard (HP) CTQ3962A Yellow Laser Toner Cartridge is guaranteed to perform with Hewlett Packard (HP) HP Color LaserJet 2550, 2820, 2840 Printer Series. It replaces the original Hewlett Packard (HP) Q3962A Toner Cartridge. The compatible Yellow replacement CTQ3962A Laser Toner Cartridges and supplies (also known as generic) are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet OEM (Original Equipment Manufacturer) standards for the CTQ3962A and offer high-quality printing results. Our compatible CTQ3962A is ISO-9001 certified and contains up to 85% new parts including wiper blades, opc drums, and other internal components. While most competitors simply refill the toner cartridge and hope the drum and other key components last we fully disassemble the toner cartridge and rebuild it to ensure the highest quality prints. Our high quality CTQ3962A toner cartridges are an economical and sensible alternative to expensive OEM Q3962A Hewlett Packard (HP) Laser Toner Cartridges and supplies. The use of compatible replacement Laser Toner Cartridges and supplies does not void your Printers Warranty. We offer a 100% Quality Satisfaction Guarantee on our Compatible CTQ3962A (Q3962) Laser Toner Cartridges and supplies. This non-HP CTQ3962A replacement laser toner cartridges includes a new electronic smart chip. The new chip allows the Hewlett Packard (HP) HP Color LaserJet 1500 Printer Series and our compatible Q3962A cartridge to interact and track toner usage. Without this chip your printer's toner level software will always think the Q3962A cartridge is low. Most other companies do not include a new smartchip with their toners. If you see a lower price elsewhere it probably mean they are not giving you a new chip.