To calculate the overall star rating and percentage breakdown by star, we do not use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The item delivered was sealed and no damage on the box but after I install the ink in my printer, immediately it showed low ink. I tried to reset my printer and even removing and fix back the ink, still it showed low ink.