The Scanner Calibration Sheet is an essential accessory for maintaining the accuracy and quality of your scanner's scans. It is used to calibrate the scanner's sensors and ensure that it produces consistent and reliable results. The calibration sheet is typically included with the scanner, but it's always a good idea to have extras on hand. Over time, the calibration sheet can become worn or damaged, affecting the scanner's performance. By regularly replacing the calibration sheet, you can ensure that your scanner continues to deliver accurate and high-quality scans. The Scanner Calibration Sheet is easy to use and helps to optimize the performance of your scanner.