Before updating to 20.04 my HP OfficeJet 8720 worked. After updating from 18.04 to 20.04 HP OfficeJet 8720 gets
lpstat -p
\printer HP-OfficeJet-Pro-8720 now printing HP-OfficeJet-Pro-8720-0. enabled since Sat 29 May 2021 09:34:09 PM EDT
Rendering completed
but nothing is printed.