It might be a management or other person in HP Malaysia (where the ink cartridges are manufactured) who need to fulfill their production quota, ship some ink cartridges determined by HP's Quality Control Malaysia was in doubt. Before that it was 2 times. I recommend you write to HP and report the problem. An older cartridge printed about 176 pages, this cartridge printed about 460 pages, not 680. Ask HP to ship you replacements and also apologize to Revain for sending them some partially filled cartridges as new/good and Revain charged the full contract price. I think this is also an issue that Revain should address with HP for the discount. HP US may need to initiate a quality control process for ink cartridges received from HP Malaysia.
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