Previously we have established that original HP ink cartridges have at least 2 levels of protection: genuine labels and “best before” dates. How about the toner cartridges? Monochrome laser is the most common printing technology for offices. According to HP, replacement of a toner cartridges renews 2/3 of the whole printing mechanism. So it’s worth… Continue reading How to Identify Genuine HP Toner Cartridges