The Samsung MLT-R309 imaging drum is a long life printing consumable which gives the user 80, 000 professional pages to print with. Made from high quality parts & components the Samsung MLT-R309 imaging drum enables flawless printing performance while giving you high quality printing output. Using the Samsung MLT-R309 imaging unit will ensure consistent, uninterrupted printer operation occurs for a total of 80, 000 pages. Compatible With Samsung ML-5510 Laser Printer Samsung ML-5510nd Laser Printer Samsung ML-6510nd Laser Printer