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HP Deskjet, Officejet, and Photosmart Printers - Locating the Serial Number
The serial number is a ten-digit, alphanumeric number that is unique to each product. This document describes how to find the serial number on your product.
Locate the serial number on the UPC sticker
Look for the serial number on the UPC sticker. The UPC sticker is located either on the back or the bottom of the product.
Figure : Serial number on the back of the product
Figure : Serial number on the bottom of the product
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