The Compatible Oki Yellow 42918105 Image Drum will work in the following printers OKI C9600 , OKI C9650 , OKI C9650dn , OKI C9655 , OKI C9655dn , OKI C9655hdn , OKI C9655hdtn , OKI C9655n , OKI C9800 , OKI C9850 , OKI C9850dn it will give you a page yield of approx 30,000 pages @ 5% average page coverage. The Compatible Oki Yellow 42918105 Image Drum offers you great value and excellent printing performance.Compatible Oki Yellow 42918105 Image Drum (42918105 Laser Printer Imaging Drum)