Donato's Pizza offers printable coupons on websites such as RetailMeNot. As of June 2015, RetailMeNot offers a printable coupon for $3 off any large pizza at Donato's Pizza. It also provides a number of coupon codes for other deals at Donato's Pizza.
As with any company or coupon offer, coupons are subject to change at any time and are available for use at the discretion of the company accepting them. If there is any uncertainty regarding the validity of the coupon at the location in which it is being used, contact the Donato’s location directly, and ask if the coupon or code is valid.