Our compatible laser toners for Brother MFC-9420CN have up to 60% new parts including wiper blades, and other internal parts. Compatible toners for Brother MFC-9420CN are manufactured to meet the same original specifications and performance standards as the Brother OEM laser toner cartridges. Our compatible TN04 laser cartridges are designed for use with Brother MFC-9420CN printers. We offer a 100% Quality Satisfaction Guarantee on Brother MFC-9420CN laser toner cartridges and supplies. OEM (Original Equipment Manufacturer) laser toner cartridges are also available for your Brother MFC-9420CN.