This is an original Brother DR-310CL Drum that is rated for 25,000 pages. Notreplacing the drum can eventually cause dirty printed pages. Often times the cost ofitems like the drum will cause a person to wonder if they should purchase a new printer, I say run the numbers. That means what will the cost of the toner be for the newprinter you are considering and how many pages the toner or toners yield. TheBrother TN-315 toners have very good page counts for the cost and print beautifully, so be sure to gather as many facts as you can to protect your wallet.