Buncha stuff on sale at Staples. This coupon is for one case of paper. Hopefully link will take you right to that coupon, otherwise it's about halfway down, left-hand column. Looks like in-store only.
What they say:
Valid in Staples® U.S. stores only. Discount applies to Staples® 8.5" x 11" Multipurpose Paper, 10 ream case. Item no. 513096. Limit one case per customer. While supplies last. For details, see StaplesEasyRebates.com. Follow instructions to submit easy rebate online or by mail. Each item purchased can only be discounted by one coupon, applied by cashier in order received and prior to tax. Coupon not valid if purchased or sold and must be surrendered. No cash/credit back. Not valid on prior purchases or purchases made with Staples® Procurement or Convenience Cards.