DV-1150 DV-1152 Developer Unit is designed for ECOSYS M2135dn M2635 M2735dw M2040dn M2540 M2640 M2135 M2735 M2040 printers, providing reliable performance and efficient printing solutions for your office needs.This developer unit ensures consistent quality for your printing tasks, making it an essential component for compatible printer models.Experience improved printing efficiency with this developer unit tailored for your specific printer requirements.