The compatible Lexmark X7550 ink-jet cartridges from LD Products are Guaranteed to meet or exceed the print quality of the OEM Lexmark X7550 inkjet cartridges. Purchasing our compatible Lexmark X7550 ink cartridges is an excellent way to save money without sacrificing quality. Our Lexmark X7550 compatible ink cartridges have a 'Lifetime Guarantee'. The use of our compatible ink for the Lexmark X7550 does not void your printer's warranty. We also carry OEM cartridges for your Lexmark X7550 printer.