PREMIUM QULAITY OF TOSHIBA GENUINE BLACK TONER CARTRIDGES YIELDING 24,000 PAGES. COMPATIBLE PRINTERS (IF ANY): TOSHIBA E-STUDIO 163,TOSHIBA E-STUDIO 165,TOSHIBA E-STUDIO 166,TOSHIBA E-STUDIO 167,TOSHIBA E-STUDIO 205,TOSHIBA E-STUDIO 206,TOSHIBA E-STUDIO 207