LxTek Gives You the Most Vibrant Color Experience! Advantages for this compatible item: ¡printing performance is almost the same as genuine OEM toner cartridge at 1/3 of the price. ¡each toner cartridge was methodically tested to ensure full working condition and a superior print quality. ¡professional color box packing and multilayer shockproof packing can avoid product damage during transportation and distribution. ¡can be recognized by your printers and installed easily. ¡convenient and cost-effective for daily use such as school, work, and home printing. Compatible with the following printers: Dell E525W Color Laser All-in-One Wireless and Cloud Ready Printer Package Included: 1 Pack LxTek compatible Dell E525W toner cartridges (1 Black) Cartridge Life: If you print about 50 pages of regular printing documents per week, cartridges will be run out in around 10 months. Warm Tips: ¡please confirm your printer model before placing order. ¡the computer would appear Non-Genuine, please click "OK" continuously, then the printer can go on to print. ¡if you receive the toner cannot recognize your printer please turn off 30 second then turn on and install again , also you can try take the toner out and use tissue with rubbing alcohol clean the chips softly. Customer Service Contact: We appreciate all of your feedback and reviews. Our goal is to ensure that everyone has a great experience with this product. Therefore, if you experience ANY issues whatsoever, please send an email to us through clicking Contact Seller option under your order details. We will gladly assist you and address all your concerns.