They came together so I made the mistake of not reading carefully.
Then I went into the store and brought ink to the register. I was told that you have to buy online to use the $30 coupon.
The $10 coupon was for in store use.
But, if you read the back of it, it doe not include Epson Ink.
Image: Fine Print
In the end, it's easier to buy online from Amazon.com.
Amazon Affiliate Links.
Staples tweeted me.
@stevegarfield Please DM us your contact info along with the ink model #, we can help you out. ^RP— Staples US (@Staples) June 6, 2014
I DM'd them.