Hi, dad accidently bought the wrong kind of printer cartridge, does anyone have a use for it? HP 51626G BW cartridge suitible for HP Deskjet Plus, 400, 420, 500, 500c, 505K, 520, 540, 550C, 560C, 500J, 505J, 560J and HP DeskWriter C, 520, 540, 550C, 560C worth $40 going for $0 ONO Reply off list if interested. -- Oliver White