I have purchased numerous generics so I assume that when HP detects non official carts, it sabotages it so it appears like crap. It prints properly ample to read through and that is all I care about to the as soon as in 6 months I really have to print https://tonercartridgesupplier66530.post-blogs.com/46849501/the-best-side-of-hp-mfp137fnw-toner