The Samsung MLT-R358 Drum Unit (part numbers: MLT-R358/SEE, MLT-R358, R358, SV167A) is designed for use in Samsung laser printers, providing high-quality image printing. This black drum unit offers a duty cycle of approximately 100,000 pages at 5% average coverage, ensuring reliable performance over an extended period. It plays a crucial role in the printing process by transferring toner onto paper, making it an essential component for optimal print quality and efficiency.