CheckUsability® validates image integrity for instant check verification that combines image quality and usability techniques. The software minimizes risk and costs for truncating and paying bank through analysis of a comprehensive list of items that detects defects on personal and business checks and Image Replacement Documents (IRDs). CheckUsability allows integrators to support Check 21 quality and usability compliance and uses advanced recognition to validate all critical components of check image quality. CheckUsability ensures that images stand up to the most rigid assurance tests and delivers false alarm rates as low as 0.1%.