✅【Purchase Notes】In order to prevent you from purchasing the wrong model, please refer to the second product picture (whether the printer model is compatible) and please watch the VIDEO next to the product picture for how to install. ✅【Compatibility】Compatible for OKI B412dn B432dn B512 B512dn MB472w MB472dnw MB492 MB492dn MB562w MB562dnw ✅【Package Content】 2 Toner Cartridges Black:3000 Pages at 5% coverage of paper A4. ✅【Reliable Quality】LCL B412dn cartridge uses high quality toner, toner particle size distribution, good mobility, high transfer rate, resulting in a clear image and high gloss print effect; Printing efficiency is high, waste powder rate is low, so as to ensure sufficient page yield. ✅【Individual Package】 LCL product is packaged in separate box, suitable for long-term storage, to avoid product damage or ink/toner leakage and other problems. ✅【Strict Testing】All products are tested in three stages: Stage 1 - reliability test of raw materials; Stage 2 - finished product color fidelity test; Stage 3 - strict double test: print testing during the manufacturing phase and final testing before leaving factory