But more specifically; what I appreciate about the toner cartridge besides it amazing looks is how it has simplified my life, making me far more productive and a more happy and contented copier user. Before using this cartridge I used to use plain ordinary toners - you know the ones with no pizzazz, no personality; the kind that broke apart in your hands before you even had a chance to install it. Then came the Canon E40, which is the epitome of cartridge quality. I have gone from a delivery clerk to President of Overseers Distribution in 2 months thanks to the sheer brilliance of this amazing piece of 21st Century engineering.

CON:
I have looked and looked and can find none. It is perfect in size, weight, design; even the smell will put a smile on your face. I recommend you buy hundreds if these cartridges, even if you don't own a Canon copier.

Disclaimer: The fact that my dad owns Canon in NO WAY has influenced my review of this heavenly product.