Please confirm your printer model and quantity before placing an order,thank you! What's in the box? 1PK-Black MLT-D304L | SV041A Toner Cartridge. Compatible Printer Models ProXpress M4530NX ProXpress M4583FX High-quality toner cartridges, let you print without worries! A. No peculiar smell, fresh and natural. B. The toner particles are fine and uniform, and the color is bright. C. Clear resolution and strong sense of hierarchy. D. Good compatibility and smooth printing. E. Firm fixing and strong adsorption. F. The printing/copying fonts are thick, no hollow phenomenon, low powder consumption, high transfer rate, low powder rate, and effectively extend the life of the machine. Multi-protection, safe delivery to home 1 protection:Black plastic bag to avoid static electricity and effectively prevent moisture 2 protection:Bubble bag, anti-compression and anti-collision, safety protection 3 protection:KebenShop neutral carton packaging to protect the toner cartridge from long-distance transportation In line with the International Organization for Standardization ISO certification: ISo9001 quality management system certification ISO14001 Environmental Management System Certification What are our advantages? Large print volume, save the cost of consumables, buy it back and use it, easy to install, if not, please feel free to email us, so that you can buy with confidence and use it comfortably! Enjoy free consultation throughout your life. Thank you for choosing to trust us. Buying our products guarantees that you will not regret it. You deserve the best. I wish you a happy use!