Compatible with M2040, M2135, M2540, M2635, M2640, M2735, P2040, P2235, M2040dn, and M2135dn printer models. Designed for use with 10X DK-1150 and DK1150 printers to proper fit and drum maintenance. Helps support printer longevity by cleaning drum components and reducing toner buildup. Maintains consistent print quality by keeping internal components clean and streaks or smudges. Designed for straightforward installation as part of routine printer maintenance.