Plustek OptiSlim M12 Plus Scanner A compact design, high-performance and unsurpassed quality -these are the features that this sheetfed scanner, the OpticSlim M12 Plus, has to offer. And now, you can create PDF file with OpticSlim M12 Plus easily! The OpticSlim M12 Plus is capable of scanning A4 / legel size document and is power cord free, using a USB interface for power and communication with the computer.