Our Toner Cartridge Specification:Toner: use the excellent toner to print dense and prominent documentHigh Quality OPC Drum: First-class OPC with thicker coating is more long-lasting and production consistent and even printing with high densityChip: Intelligence reorganization, accurate counting, high compatibility, stable performancePlastic Parts: new material, high efficient environment protection, meets ROHS Environmental Standards, please feel free to purchase with our productSimple installation:Step-1 Turn off the printer, open the printer cover and remove the used cartridgeStep-2 Take out the new toner cartridge from its packingStep-3 Gently shake the toner cartridge from side to side to distribute the toner evenlyStep-4 Take off the black protective paperStep-5 Pull out the sealing tapeStep-6 Install the toner cartridge into the printerStep-7 Close the printer cover and turn on the printerUsed for the following printers:HP Color LaserJet CP2025 CP2025n CP2025dn CP2025x CM2320fxi mfp Series PrinterWhy choose us:1. Toner Cartridge is made of 100% Brand-new material, page yield up to 3600 page yield per black toner cartridge at 5% coverage (Letter/A4), 2800 page yield per color toner cartridge at 5% coverage (Letter/A4)2. High yield and long-lasting toner cartridge compared to similar products3. We have our own factory and technical department to ensure smooth test of our products, our price is transparent, no hidden cost4. Superior Service: all products have two years warranty, if have any problem in during time, please feel free contact us, we will try our best to resolve your problem.