A. Original HP ink is formulated with centuries of combined experience from scientists and engineers.
Each new Original HP ink cartridge takes up to five years of development and is the result of more than
1,000 prototypes.

B. Permanence of documents printed with Original HP ink on HP archival paper has been tested over centuries to ensure legibility. These documents have been shown to be readable after having been stored in low-light conditions for up to 500 years.

C. Formulas for Original HP ink and the designs of Original HP ink cartridges are the results of years of research and testing using certified sustainable methods. Every prototype was developed with the planet in mind.

D. Documents printed with Original HP ink on HP Advanced or Premium Plus photo papers have been proven to meet guidelines for archival preservation, which means that their permanence is guaranteed for 50* years.