The scanned images are dark
Error description
The images are very dark after the scan, older measurements are bright.
Troubleshooting
Make sure that you are using a Microtek scanner with a tube ("How can I recognise which scanner I am using?„).
The tube ages over time and therefore loses its luminosity. The fault can only be rectified by sending in the scanner, the tube can be replaced with a new tube, in this case please contact GeBioM support.