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The standard DIN33871-1 applies to remanufactured/refilled supplies and as such it does not apply to HP supplies, since we produce only HP Original Supplies...

HP LaserJet toner cartridges are manufactured in the following 5 countries:  Japan, US, France, China and Vietnam.  

Go to http://www.hp.com/ergo.

While HP does not specifically evaluate against the STMC standard, HP does assess product packaging integrity, image density, background, and estimated yiel...

For the purposes of shipping and storage, HP provides the cartridge specifications which include size and weights of the cartridges in their original packag...

The use of refilled print cartridges alone does not affect either the warranty or any maintenance contract purchased from HP for its printers.  Repair w...

HP frequently receives customer questions about “LEED certified” products or how HP products can contribute to LEED certification. To appropriately answer t...