The Ricoh 406990 Compatible Black Toner Cartridge (Yield 6400)The Ricoh 406990 Compatible Black Toner Cartridge is the perfect choice for your printer offering reliability, consistency, and excellent results from the first page to the last. The Ricoh 406990 Compatible Black Toner Cartridge is designed for Ricoh laser printers including the Ricoh Aficio SP3500 and SP3510 series printers. We also offer the Ricoh Original toner cartridge as an alternative to this product, with the same great results. All purchases from Internet-Ink are covered under our 1 Year Warranty as standard, so you can purchase from us with confidence. For guaranteed SAME DAY DISPATCH please choose our \\\'priority\\\' service at the checkout (before 3pm)