Canon CL-541XL - 5226B005 - 1 x Cyan,1 x Magenta,1 x Yellow - High Yield - Ink Cartridge - For PIXMA MG2250,MG3150,MG3250,MG3510,MG3550,MG4250,MX395,MX455,MX475,MX525,MX535 - Peng-Gadgets
Canon Pixma MG4250: How to Change/Replace Ink Cartridges - YouTube