Video at Amazon.com view that crap. Have ordered the cartridges weeks about 4 and this also promptly delivered. The cartridges stored sealed in the drawer. Today 10.01.2012 I had the black cartridge must change. Did they unpacked and then open the Printer MFC-490CW and behold the new Cartridge is much thicker than that in the printer. Great now I can no longer print. 'M Curious if I for a Spare get. The other cartridges meet the cartridges used in the MFC-490CW. 27.01.2012 So now the next cartridge is empty. While this has the same thickness, but fit on the basis of the coding also not in the printer. By the way, the seller has not yet responded to my mail from 10.01.2012 until now. All who have a MFC-490CW .... DO NOT BUY .... because the cartridges do not fit !!!!! Ze Fix