Open and Clean Canon Pixma IX6550 Printer : 5 Steps - Instructables
Canon PIXMA iX6520 (4895B002) Black / ESAT: Approx. 11.3 ipm Black Print Speed 9600 x 2400 dpi Color Print Quality USB InkJet Corporate & Graphics Art Color Printer Inkjet Printers - Newegg.com
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User manual Canon Pixma iX6820 (English - 4 pages)