Question: what is the difference between canon 210 and 210xl ink cartridge?
Answer: The Canon PG-210 contains a 9ml of black pigment ink, XL version contains 15ml of ink. So 210XL gives you 66% more ink (15ml vs 9ml). The Canon 210XL cartridge lasts much longer than the simple 210 cartridge. The Black XL sizes give you 82% more pages* for about 35% more price."