Solve : Cannon MP140?

1.	Solve : Cannon MP140?
Answer» Help-Computer geniouse---NOT. Please have READ every LISTED DETAIL on printer-Tools/Maintenance box-Pop up keeps telling me out of black ink ?. Cannot find link on Printer properties, that will allow me too replace ink cartridge- Please help anyone.. http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=2610&modelid=15294#DownloadDetailAct

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