With HP Officejet Pro 8100 duplex printing works under LO.
LO: 5.0.2.2 HPLIP-3.15.11 openSUSE Leap 42.1
With HP Officejet Pro 8100 duplex printing works under LO.
LO: 5.0.2.2
HPLIP-3.15.11
openSUSE Leap 42.1