All inks/toner once opened cannot be returned. Incase of any fault or manufacturing defect you can reach out to the Vendors authorized Service Center along with the issue details to claim Warranty/RMA on the same.
Overview
Highlights
Engineered to yield super high technology for a precise performance
Effectively prevents ink from streaking or smudging
5000 page yield helps maintain productivity through heavy work flow
Renders professional quality printouts with vivid colour reproduction
Compatible with Brother Ink BT5000, BT6000 for Brother DCP-T300 etc