The non-contact scanning mode of zeta self-service book scanner can scan precious books and ancient books, which can greatly reduce the physical damage to the scanned original; Super A3 scanning format with resolution up to 600dpi；; Multi-touch operation interface, users can watch the scanning results through high-resolution touch screen; It has rich image processing functions, can output scanned images in JPEG, PDF and other formats as required, and can automatically load customized watermarks on scanned images to protect the copyright of scanned books. A variety of output methods, scanned images can be printed, e-mailed, uploaded to ftp, etc. , or directly copied to the mobile storage device carried by the reader.