4 Toner Refill for use in OKI C900 series, C911, C931, C941, C942 + 4 Chips
Okidata OKI C942. If you have C911 model, you can make a hole anywhere plain spot. there is no plug. Okidata OKI C911dn (24,000 pages (400g) ). Okidata OKI C911dn. Okidata OKI C931e. Okidata OKI C931dn.