The Fujitsu fi-7160 ADF Desktop Scanner - PA03670-B085 is a high-quality scanner that is designed for desktop use. It has a variety of features that make it ideal for scanning documents of various sizes, including A4 (210 x 297 mm) pages.This scanner has a maximum resolution of 600 x 600 DPI, and it is capable of scanning both grayscale and color images. It also has a CCD image sensor, which helps to produce high-quality scans. The scanner is compatible with USB 1.0/1.1, USB 2.0, and USB 3.0, making it highly versatile and easy to use. With its compact size, this scanner is perfect for use in small offices or home offices.