On Fri 17 Feb 2023 at 09:05:39 -0500, Greg Wooledge wrote: > On Fri, Feb 17, 2023 at 11:18:32AM +0000, Brian wrote:
[...] > > avahi-browse -rt _ipp._tcp > > avahi-browse -rt _uscan._tcp > > > > (I would find that data useful for my records). > > wooledg:~$ avahi-browse -rt _ipp._tcp 2>&1 | grep -A5 db:c0:d3 > + eno1 IPv4 Canon LBP712Cdn (db:c0:d3) Internet Printer > local > + eno1 IPv4 HP LaserJet P3010 Series [0FCDD7] Internet Printer > local > + eno1 IPv4 hp LaserJet 4250 [621E13] Internet Printer > local > = eno1 IPv4 Canon LBP712Cdn (db:c0:d3) Internet Printer > local > hostname = [dhcp-10-76-173-174.local] > address = [10.76.173.174] > port = [631] > txt = ["mopria-certified=1.2" "print_wfds=T" > "kind=document,envelope,postcard" > "URF=ADOBERGB24,CP255,DM1,FN3,IS1-4,OB10,PQ4,RS300,SRGB24,V1.4,W8-16" "Fax=F" > "Scan=F" "TLS=1.2" "usb_CMD=LIPSLX" > "UUID=15904ba4-fe8c-3bee-5d53-cb5f72ea86b2" "PaperMax=legal-A4" "Punch=0" > "Staple=F" "Sort=T" "Collate=T" "Bind=F" "PaperCustom=T" "Duplex=T" > "Copies=T" "Color=T" "TBCP=F" "Binary=F" "Transparent=F" "usb_MDL=LBP712C UFR > II" "usb_MFG=Canon" "adminurl=https://dhcp-10-76-173-174.local/airprint.html"; > "pdl=application/octet-stream,image/urf,image/pwg-raster,image/jpeg,application/pdf" > "product=(CNLBP712C)" "ty=Canon LBP712C" "priority=10" "qtotal=1" "note=" > "rp=ipp/print" "txtvers=1"] > = eno1 IPv4 hp LaserJet 4250 [621E13] Internet Printer > local Assuming the machine at 10.76.172.100 is identical with this one at 10.76.173.174, it too will have a TXT record with pdl=application/octet-stream,image/urf,image/pwg-raster,image/jpeg,application/pdf A PDF sent directly to it should print if an open port 9100 exists on the printer: netcat 10.76.172.100 9100 < taxform.pdf > wooledg:~$ time avahi-browse -rt _uscan._tcp > real 1.023 user 0.004 sys 0.004 > > (No other output.) No prolem here. The LBP712Cdn does not have a scanner. It looks like mdns multcasting has been disabled on the printer at 10.76.172.100. This is unfortunate and unnecessary. Perhaps someone should inform your helpful Help Desk that its Bonjour name can be changed to distinguish it from similare devices on the network. -- Brian.
