Genuine Black Toner Cartridge for Toshiba e-STUDIO 50F and Toshiba DP 50F
Check up on toner level, maybe you need to replace the cartridge?
More supplies for Toshiba e-STUDIO 50F and Toshiba DP 50F that you can buy together with Toshiba ZT-500F Black Toner Cartridge (Toshiba ZT500F):
Standard Yield, 20,000 pages
$166.45 Free Shipping