When the ink runs low on your Canon PIXMA printer, you can replace the cartridges and recycle the old ones. Many retailers will accept the empty cartridges for a discount. The Canon PIXMA uses PG-40 black ink cartridges and CL-41 color ink cartridges. Buy ink cartridges from office supply stores and computer equipment retailers. There is no need to call a computer technician when the ink needs replacing. Change the cartridges yourself in minutes at home. Writer Bio
