August 3, 2014 No Comments FREE Hammermill Paper at Staples Get a FREE ream of Hammermill 8.5″ x 11″ CopyPlus copy paper after easy rebate with coupon. Expires August 9, 2014. FREE Hammermill Paper at Staples – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.