No, the machine does not have built-in OCR recognition. You have to set up a hot folder with OCR recognition and send the fax to this folder.

Yes, the scanning, faxing and copying functions also work without a connected computer. However, a computer is required for other functions. Enclosed is the data sheet: http://www.brother.de/~/media/Product%20Downloads/Devices/Printers/MFC/MFCL2700DN/en/Datasheet%20MFC-L2700DN.pdf. and the online manual: http://support.brother.com/g/s/id/htmldoc/mfc/cv_dcpl2500d/ger/manual/index.html

Hello reghaus The printer works fine with Windows 10

According to the manufacturer, the requested device is not compatible with Win Server 2012: http://www.brother.de/~/media/Product%20Downloads/Devices/Printers/MFC/MFCL2720DW/en/MFC-L2700DW.pdf.