These are fine, they do the trick. My only complaint is that when the printer says they're empty, they're not actually. I know this because when it refuses to print due to "low or no ink", I can still make tons of photocopies. They're also quite expensive compared to the number of pages they can do. However, they're Canon brand, so they shouldn't confuse the machine like some knock-off brands have been known to do (and what happened with my last machine, trying to save on ink costs I ended up ruining my entire printer).