The compatible Lexmark Impact S305 ink-jet cartridges from ezink Products are Guaranteed to meet or exceed the print quality of the OEM Lexmark S305 inkjet cartridges. Purchasing our compatible Lexmark S305 ink cartridges is an excellent way to save money without sacrificing quality. Our Lexmark S305 compatible ink cartridges have a 'Lifetime Guarantee'. The use of our compatible ink for the Lexmark S305 does not void your printer's warranty. We also carry OEM cartridges for your Lexmark S305 printer.