Followed the instruction, without MODE="664" en GROUP="scanner", from James. Have added them to /etc/udev/40-libsane.rules, restart udev and it works now.
The other row: SYSFS{idVendor}=="04f9", SYSFS{idProduct}=="0184", MODE="644", GROUP="scanner" have been removed.
@Nuno and James
Followed the instruction, without MODE="664" en GROUP="scanner", from James. Have added them to /etc/udev/ 40-libsane. rules, restart udev and it works now.
The other row: SYSFS{idVendor} =="04f9" , SYSFS{idProduct }=="0184" , MODE="644", GROUP="scanner" have been removed.