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 and 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 pr