Replace your empty Brother Intellifax-4100 toner cartridges and start printing again. These printer cartridges will provide consistent results for all your documents and perfectly replicate your work onto the page after a simple installation process. All of our toner cartridges for Brother Intellifax-4100 printers are reviewed and tested to meet industry standards, guaranteeing a risk-free shopping experience. We offer a 1-Year warranty, 100% customer satisfaction guarantee, and lifetime customer support with every purchase. Our warranty covers every aspect of the cartridge including print quality and page-yield, as well as guaranteed compatibility with your printer. Buy with confidence knowing that we stand 100% behind our products.