On Fri, 2 Aug 2019, Brian wrote:
A final try: mkdir /usr/share/hplip/scan/plugins/ and copy bb_escl*, bb_marvell*, bb_orblite*, bb_soap_ht* and bb_soap to it.
that will not be necessary, as the directory already exists, with all the files you mention! anyway, thank you for the time you spend to help people best regards, -- Pierre Frenkiel