Canon CLI521BKBlack ink tank iP3600, iP4600, MP540, MP620a

PREMIUM QULAITY OF CANON GENUINE BLACK TONER CARTRIDGES YIELDING 1,250 PAGES. COMPATIBLE PRINTERS (IF ANY): CANON PIXMA IP3600,CANON PIXMA IP4600,CANON PIXMA IP4700,CANON PIXMA MP540,CANON PIXMA MP550,CANON PIXMA MP560,CANON PIXMA MP620,CANON PIXMA MP630,CANON PIXMA MP640,CANON PIXMA MP980,CANON PIXMA MP990,CANON PIXMA MX860,CANON PIXMA MX870