This is a compatible replacement for the Samsung MLT-D205L high yield black laser toner cartridge, designed to work with your Samsung ML-3312ND laser printer. It delivers a yield of up to 5,000 pages, providing an economical alternative to expensive OEM cartridges. Manufactured brand new, these cartridges ensure reliable performance and high-quality printing results. The use of compatible replacement toner cartridges does not void your printer's warranty, and we back this product with a 100% Quality Satisfaction Guarantee.