Brother® GTXpro™ and GTXpro B™ / Pro Bulk™ are registered trademarks of Brother International Corporation and have not produced, endorsed, warrantied, or approved the use of FIREBIRD Ink's third-party ink, pretreatment, and/or cleaning solutions which are non-genuine OEM products. FIREBIRD Ink will fully support and guarantee your 100% satisfaction, as we do with all of our products.