Products › Ricoh 842121 / 841592 Magenta Toner Cartridge Image 1 of 1 Ricoh 842121 / 841592 Magenta Toner Cartridge $0.00 Genuine Ricoh 842121 / 841592 Magenta Toner Cartridge, rated for approx. 4,000 pages.Compatible printers:Ricoh Aficio MP C305SPRicoh Aficio MP C305SPF Add To Cart Added! Genuine Ricoh 842121 / 841592 Magenta Toner Cartridge, rated for approx. 4,000 pages.Compatible printers:Ricoh Aficio MP C305SPRicoh Aficio MP C305SPF