Comment 12 for bug 1826287

> That still leaves a problem 8730, of course.

A trustworthy user had this to say in Nov 2018 in Message #87 at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=912768.

 > Concerning the scanning, I have done the following observation:
 >
 > I have the HP OfficeJet Pro 8730.
 >
 > I have removed all print queues using the "hp" CUPS backend
 > (I print with a driverless queue). With an HPLIP-based print
 > queue my scanner is always found.
 >
 > 1. Printer on the network
 >
 > scanimage -L
 >
 > does not find the scanner in my MF device, but
 >
 > scanimage -d hpaio:/net/HP_OfficeJet_Pro_8730?ip=w.x.y.z > x.pnm
 >
 > scans correctly.

Does this command work for you, Dirk? I would guess not.

--
Brian.