/usr/lib/cups/backend/snmp
network socket://10.201.224.201 "FS-3900DN" "FS-3900DN" "" ""

sudo /usr/lib/cups/backend/dnssd
DEBUG: Querying "FS-3900DN._ipp._tcp.local"...
DEBUG: Querying "FS-3900DN._printer._tcp.local"...
DEBUG: sent=0, count=6
DEBUG2: query_callback(browser=0x55d33514adc0, interfaceIndex=5, protocol=0, event=0, fullName="FS-3900DN._ipp._tcp.local", rrclass=1, rrtype=16, rdata=0x55d33514cd10, rdlen=186, flags=5, context=0x55d33514a180)
DEBUG2: query_callback: "txtvers=1".
DEBUG2: query_callback: "rp=ipp/lp".
DEBUG2: query_callback: "qtotal=1".
DEBUG2: query_callback: "priority=50".
DEBUG2: query_callback: "ty=Kyocera FS-3900DN".
DEBUG2: query_callback: "product=(FS-3900DN)".
DEBUG2: query_callback: "pdl=application/postscript".
DEBUG2: query_callback: "adminurl=http://fs-3900dn.local.".
DEBUG2: query_callback: "usb_MFG=Kyocera FS-3900DN".
DEBUG2: query_callback: "usb_MDL=FS-3900DN".
DEBUG2: query_callback(browser=0x55d33514adc0, interfaceIndex=2, protocol=0, event=0, fullName="FS-3900DN._ipp._tcp.local", rrclass=1, rrtype=16, rdata=0x55d33514cf70, rdlen=186, flags=5, context=0x55d33514a180)
DEBUG2: query_callback: "txtvers=1".
DEBUG2: query_callback: "rp=ipp/lp".
DEBUG2: query_callback: "qtotal=1".
DEBUG2: query_callback: "priority=50".
DEBUG2: query_callback: "ty=Kyocera FS-3900DN".
DEBUG2: query_callback: "product=(FS-3900DN)".
DEBUG2: query_callback: "pdl=application/postscript".
DEBUG2: query_callback: "adminurl=http://fs-3900dn.local.".
DEBUG2: query_callback: "usb_MFG=Kyocera FS-3900DN".
DEBUG2: query_callback: "usb_MDL=FS-3900DN".
DEBUG2: query_callback(browser=0x55d33514adc0, interfaceIndex=-1, protocol=-1, event=2, fullName="FS-3900DN._ipp._tcp.local", rrclass=1, rrtype=16, rdata=(nil), rdlen=0, flags=0, context=0x55d33514a180)
DEBUG2: query_callback(browser=0x55d33514c920, interfaceIndex=5, protocol=0, event=0, fullName="FS-3900DN._printer._tcp.local", rrclass=1, rrtype=16, rdata=0x55d33514d074, rdlen=182, flags=5, context=0x55d33514a800)
DEBUG2: query_callback: "txtvers=1".
DEBUG2: query_callback: "rp=lp".
DEBUG2: query_callback: "qtotal=1".
DEBUG2: query_callback: "priority=50".
DEBUG2: query_callback: "ty=Kyocera FS-3900DN".
DEBUG2: query_callback: "product=(FS-3900DN)".
DEBUG2: query_callback: "pdl=application/postscript".
DEBUG2: query_callback: "adminurl=http://fs-3900dn.local.".
DEBUG2: query_callback: "usb_MFG=Kyocera FS-3900DN".
DEBUG2: query_callback: "usb_MDL=FS-3900DN".
DEBUG2: query_callback(browser=0x55d33514c920, interfaceIndex=-1, protocol=-1, event=2, fullName="FS-3900DN._printer._tcp.local", rrclass=1, rrtype=16, rdata=(nil), rdlen=0, flags=0, context=0x55d33514a800)
DEBUG2: query_callback(browser=0x55d33514c300, interfaceIndex=5, protocol=0, event=0, fullName="Kyocera\032ECOSYS\032P2135dn._ipp._tcp.local", rrclass=1, rrtype=16, rdata=0x55d33514d284, rdlen=601, flags=5, context=0x55d33514a300)
DEBUG2: query_callback: "txtvers=1".
DEBUG2: query_callback: "pdl=image/pwg-raster,application/octet-stream,application/pdf,image/tiff,image/jpeg,image/urf,application/postscript,application/vnd.hp-PCL,application/vnd.hp-PCLXL,application/vnd.xpsdocument".
DEBUG: Querying "FS-3900DN._pdl-datastream._tcp.local"...
network dnssd://FS-3900DN._printer._tcp.local/ "Kyocera FS-3900DN FS-3900DN" "FS-3900DN" "MFG:Kyocera FS-3900DN;MDL:FS-3900DN;CMD:PS;" ""
network dnssd://Kyocera%20ECOSYS%20P2135dn._ipp._tcp.local/?uuid=4509a320-0042-00f4-0035-0025074f2634 "Kyocera Kyocera ECOSYS P2135dn (KPDL)" "Kyocera ECOSYS P2135dn" "MFG:Kyocera;MDL:Kyocera ECOSYS P2135dn (KPDL);CMD:PDF,PS,PCL,PWG,TIFF,JPEG,URF;" ""
DEBUG: sent=6, count=7
DEBUG2: query_callback(browser=0x55d33514ab60, interfaceIndex=5, protocol=0, event=0, fullName="FS-3900DN._pdl-datastream._tcp.local", rrclass=1, rrtype=16, rdata=0x55d33514eaac, rdlen=176, flags=5, context=0x55d33514eca0)
DEBUG2: query_callback: "txtvers=1".
DEBUG2: query_callback: "qtotal=1".
DEBUG2: query_callback: "priority=50".
DEBUG2: query_callback: "ty=Kyocera FS-3900DN".
DEBUG2: query_callback: "product=(FS-3900DN)".
DEBUG2: query_callback: "pdl=application/postscript".
DEBUG2: query_callback: "adminurl=http://fs-3900dn.local.".
DEBUG2: query_callback: "usb_MFG=Kyocera FS-3900DN".
DEBUG2: query_callback: "usb_MDL=FS-3900DN".
network dnssd://FS-3900DN._pdl-datastream._tcp.local/ "Kyocera FS-3900DN FS-3900DN" "FS-3900DN" "MFG:Kyocera FS-3900DN;MDL:FS-3900DN;CMD:PS;" ""
DEBUG: sent=7, count=1

lpinfo -v
network lpd
file cups-brf:/
network ipp
network ipps
network http
network beh
network socket
network https
direct hp
network smb
direct hpfax
network dnssd://FS-3900DN._pdl-datastream._tcp.local/
network socket://10.201.224.201

avahi-browse -a -v -t -r
+ enxc8f750a8ef7d IPv4 FS-3900DN                                     Web Site             local
= enxc8f750a8ef7d IPv4 FS-3900DN                                     Web Site             local
   hostname = [fs-3900dn.local]
   address = [10.201.224.201]
   port = [80]
   txt = []