HPLIP

hp-setup sees my laserjet printer but not my scanjet pro 4500 on the network

Asked by David Novak

Trying to use hp-setup (hplip 3.18.3) to install a scanjet pro 4500 fn1 as a network scanner on Fedora 27. It is not seen by hp-setup even when I enter its IP address. My previously installed HP 400 M401dne laser jet is detected by hp-setup (and works fine). Tried with firewall turned off, but made no difference.

Ping
Laserjet: OK
Scanjet: OK

SNMPWALK
Laserjet: OK (returns string of info)
Scanjet: times out

Embedded web server info (via Firefox):
Laserjet: OK
Scanjet: OK

hp-setup
Laserjet: detected OK
Scanjet: not detected

The HPLIP supported printers list says the scanjet pro 4500 fn1 is fully supported (with driver plugin) and requires hplip 3.16.2.
hp-check -t output: http://srmsc.org/test/images/hp-check.log

Thanks for any help or suggestions.

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David Novak
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Afshan F (afshan) said : 		#1

Hi David,

hp-check logs show that there are mandatory packages which needs to get installed. Like xsane, net-snmp-devel, sane-backends-devel, avahi-tools. Please try to install these missing packages. Then check through xsane or hp-scan.
Please contact us if you come across any issues during the installation of the packages.

Thanks,
Afshan

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David Novak (davey9876) said : 		#2

I installed what I could of the missing packages. cups and dbus are already installed and active, so don't know why they are on the list. Some of the others don't exist.
Details: http://srmsc.org/test/images/hp-check-missing.txt

Unfortunately, I still got the same results: hp-setup does not see the scanner, even when I enter its IP address.

However, I tried installing with the USB cable, and it was successful. And, the scanner seems to be working perfectly (xsane).

I would have preferred to use it as a network scanner, but I can live with the USB cable. So let's call the issue RESOLVED.

Thanks for your help!