Enhance your printing experience with the HP 501A/502A Toner Set, which includes genuine OEM cartridges Q6470A, Q6471A, Q6472A, and Q6473A. Specifically crafted for compatibility with the HP Laserjet 3600 series, these toner units promise consistent quality and performance that are synonymous with the HP brand. Each unit in this set is meticulously manufactured in China to ensure the highest standards of print clarity and efficiency. With this set, you're equipped to handle all your printing needs with reliability and precision, making it a valuable addition to your office or printing equipment.