raspberry pi with scansnap s1300 and OCRMyPDF
sudo apt-get install sane pdftk convert ImageMagick imagemagick parallel unpaper tesseract tesseract-data tesseract-ocr-deu tesseract-ocr python-lxml python-reportlab bc libconfuse libconfuse0 libconfuse-common libconfuse-dev libusb-dev libudev-dev libdbus-1-dev dbus libsane-dev
OCRMyPDF 1.1 (last version compatible with raspi)
https://github.com/fritz-hh/OCRmyPDF/archive/v1.1-stable.tar.gz
solo
http://timkay.com/solo/
S1300 firmware
cd /usr/share/sane/epjitsu
sudo wget http://luuklangens.nl/wp-content/uploads/1300_0C26.nal