All cartridges are tested one by one before delivery to ensure complete working condition perfect compatibility and excellent print quality. Compatible Printers: P2014 (CB450A) Printer P2014n (CB451A) Printer P2015 (CB366A) Printer P2015d (CB367A) Printer P2015dn (CB368A) Printer P2015x (CB369A) Printer M2727nf Multifunction (CB532A) Printer Details of the Structure : This high yield black Toner Cartridges the quality of prints clearly smoothly crisp dark sharp, keep real without fading, stably and long lasting. High-blackness toner makes the picture delicate firm fixing, distinct layers and image high precision. Package: Shockproof packaging to avoid shipping damage. Every Toner Cartridge is under strict quality control, carefully inspected and packaged to ensure that it is in the best condition. Warm Tips : Avoid environments where temperature and humidity change rapidly, such as next to air conditioners or heaters. Store in a normal temperature and humidity environment. We always care about your needs, and we strive to provide you with high-quality and cost-effective products