This toner cartridge is designed for reliable printing performance in commercial offices, schools, home offices, and workplace environments across Canada. Compatible with select printers including C9730A. This toner/drum cartridge model C9730A is designed for reliable printing performance in office, commercial, and home office environments across Canada. HP C9730A Recy. BK Black Toner Cartridge is a machine consumable for offices, schools, home offices and commercial workplaces that need dependable day-to-day printing supplies. Designed for routine document production, reports, invoices and administrative printing, this toner cartridge helps keep printers ready for busy Canadian work environments. It is a practical choice for clear black print results. Use it to support consistent print quality, reduce downtime and simplify replenishment for shared office equipment, purchasing teams and