2 of 2 people found the following review helpful
Watch out for substitutes,
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This review is from: Lexmark No.100XL Twin Packs Ink Cartridges - Black (Office Product)
My cartridges were compatible, not original as shown in the picture. They leaked and failed to print properly. With HP printers, never use compatible cargridges or you will find yourself having to replace print heads when they clog up.