Compatible toner for OKI Laser Printer B 431 D / B 431 DN / B431 / MB461 / MB471 / MB491 capacity 10000 pages
Much cheaper than the original. Came quickly, as well as the manual of oki (to the printer) suboptimal. Small problem: Removing the cartridge prevents the replacement of the toner cartridge. After traveling in the printer replaceable in seconds, but: