For use with Oki C310/330 and C510/530. Use a to improve machine performance and quality. Will deliver reliable outstanding print quality. Simple to install and use without hassle. Highly durable and long-lasting: approximately 60,000 pages.Compatible Printers: OKI MC 363 N, OKI MC 363 DN, OKI C 332 DN, OKI MC 340 Series, OKI ES 5430 DN, OKI MC 362 DN, OKI MC 342 DNW, OKI MC 562 DNW, OKI MC 562 DN, OKI C 531 DN, OKI MC 332 DN, OKI C 321 DN, OKI MC 342 DN, OKI C 310 DN, OKI MC 561 DN, OKI ES 5461 DN MFP, OKI MC 361 DN, OKI ES 3451 DN MFP, OKI C 330 DN, OKI C 331 DN, OKI C 511 DN, OKI MC 351 DN, OKI C 301 DN, OKI C 510 DN, OKI C 530 DN, OKI MC 352 DN, OKI MC 363 DNW, OKI C 332 DNw