> Vladimir, please would you post the 'scanimage -L' output from the > server.
It shows among others: device `hpaio:/net/HP_LaserJet_M1536dnf_MFP?hostname=printerhostname' is a Hewlett-Packard HP_LaserJet_M1536dnf_MFP all-in-one I'm using locally patched version of the packages, so network scanners configured with hplip do show up in the output on the clients.