Compatible Brother HL-L6400DW inkjet cartridges from LD Products are guaranteed to meet or exceed the print quality of the OEM (Original Equipment Manufacturer) Brother HL-L6400DW inkjet cartridges. Purchasing our compatible Brother Brother ink cartridges is an excellent way to save money without sacrificing quality. Our compatible Brother Brother ink cartridges have a '100% Quality & Satisfaction Guarantee'. The use of our compatible ink for the Brother HL-L6400DW does not void your printer's warranty. We also carry OEM inkjet cartridges for your Brother HL-L6400DW printer.