If the first choice for the zero margin scanner is lean plustek Optical Book 4800, MCC XT3500 does not belong to the real zero margin, and the margin of PLUS Optical Book 4800 is 2mm, while the margin of XT3500 is 3.5mm From the website of Microcrystalline, we can see that this machine actually belongs to the short margin scanner, not zero margin. If you scan a book, only a real zero margin scanner can scan it, and there will be no black edges and missing words. Lean Plustek OpticBook 4800 is currently used in data processing centers, libraries and other places with book scanning needs. Easy to use, easy to operate, integrated with quick scan button, automatic page turning and other functions, choose lean Plustek OpticBook 4800, for details, please consult: Beijing Star Earthquake Homology.