OEM PART #: Ricoh: 821027 100% ORIGINAL AND GENUINE RICOH PRODUCT COLOR YELLOW Ricoh SP C820DN, Ricoh SP C820DNHA Toner, Ricoh SP C821DN, Toner, Lanier LP540C Toner, Lanier LP540CT1 Toner, Lanier LP550C Toner, Lanier LP550CT1 Toner YELLOW High Yield Toner Cartridge 15000 PAGE YIELD