The ink cartridges have markings on them. I tried to remove but was making it worse. The HP 65 2 pack Black Tricolor Original Ink Cartridges T0A36AN are genuine/original cartridges designed for use with a variety of printers. With a tri-color and black printing capability, these cartridges are compatible with models such as 3752, 3755, and 3723. Produced by HP in China, the cartridges have an expiration date of 5/27, ensuring they are always fresh and ready to produce high-quality prints. Ideal for inkjet printers, these cartridges are a reliable choice for all your printing needs.