Premium PCI-compatible CF277A/CF277X toner cartridge engineered for HP LaserJet Pro M305/M405/M407 & MFP M329/M429/M431 series. High-yield formula delivers crisp 2,700+ pages (CF277X) with precision laser printing. OEM-grade polymer blend ensures smear-resistant prints and consistent toner adhesion. Advanced anti-leak design prevents cartridge spills during shipping and installation. Ideal for high-volume offices, educational institutions, and commercial printing facilities seeking cost-effective alternatives without compromising print quality. Fully tested for seamless compatibility with automatic firmware updates. Bulk purchase optimized for wholesalers and resellers - ships in protective anti-static packaging.