[Printing-architecture] Native printers vs. remote print queues?

Jack Bates 0j4684 at nottheoilrig.com
Mon Apr 9 22:26:48 UTC 2018


I'm struggling to understand the difference between remote printer 
queues, broadcast by CUPS (the current version) and native printers:

Remote printer queues are IPP and broadcast via DNS-SD.

I have a Canon MX922 that's also IPP and broadcasts via DNS-SD (see the 
avahi-browse output below).

However CUPS/cups-browsed make a distinction between remote printer 
queues and native printers? What's the material difference?

Thanks!

> + wlp3s0 IPv6 Canon MX920 series                            _printer._tcp        local
> + wlp3s0 IPv4 Canon MX920 series                            _printer._tcp        local
> + wlp3s0 IPv6 Canon MX920 series                            _http._tcp           local
> + wlp3s0 IPv4 Canon MX920 series                            _http._tcp           local
> + wlp3s0 IPv6 Canon MX920 series                            _scanner._tcp        local
> + wlp3s0 IPv4 Canon MX920 series                            _scanner._tcp        local
> + wlp3s0 IPv6 Canon MX920 series                            _ipp._tcp            local
> + wlp3s0 IPv4 Canon MX920 series                            _ipp._tcp            local
> + wlp3s0 IPv6 Canon MX920 series                            _canon-bjnp1._tcp    local
> + wlp3s0 IPv4 Canon MX920 series                            _canon-bjnp1._tcp    local
> = wlp3s0 IPv6 Canon MX920 series                            _printer._tcp        local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [515]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local." "pdl=application/octet-stream" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=60" "qtotal=1" "note=" "rp=auto" "txtvers=1"]
> = wlp3s0 IPv4 Canon MX920 series                            _printer._tcp        local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [515]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local." "pdl=application/octet-stream" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=60" "qtotal=1" "note=" "rp=auto" "txtvers=1"]
> = wlp3s0 IPv6 Canon MX920 series                            _http._tcp           local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [80]
>    txt = ["mac=84:BA:3B:09:B1:9B" "txtvers=1"]
> = wlp3s0 IPv4 Canon MX920 series                            _http._tcp           local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [80]
>    txt = ["mac=84:BA:3B:09:B1:9B" "txtvers=1"]
> = wlp3s0 IPv6 Canon MX920 series                            _scanner._tcp        local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [8612]
>    txt = ["mac=84:BA:3B:09:B1:9B" "scannerAvailable=1" "uuid=546BB8" "mdl=MX920 series" "mfg=Canon" "ty=Canon MX920 series" "adminurl=http://09B19B000000.local." "txtvers=1"]
> = wlp3s0 IPv4 Canon MX920 series                            _scanner._tcp        local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [8612]
>    txt = ["mac=84:BA:3B:09:B1:9B" "scannerAvailable=1" "uuid=546BB8" "mdl=MX920 series" "mfg=Canon" "ty=Canon MX920 series" "adminurl=http://09B19B000000.local." "txtvers=1"]
> = wlp3s0 IPv6 Canon MX920 series                            _ipp._tcp            local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [631]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "URF=V1.2,CP1,PQ4-5,RS600,SRGB24,W8,OB9,OFU0,DM3,IS11-13" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=URF" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local./mainmenu.html" "pdl=application/octet-stream,image/urf,image/jpeg" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=15" "qtotal=1" "note=" "rp=ipp/print" "txtvers=1"]
> = wlp3s0 IPv4 Canon MX920 series                            _ipp._tcp            local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [631]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "URF=V1.2,CP1,PQ4-5,RS600,SRGB24,W8,OB9,OFU0,DM3,IS11-13" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=URF" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local./mainmenu.html" "pdl=application/octet-stream,image/urf,image/jpeg" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=15" "qtotal=1" "note=" "rp=ipp/print" "txtvers=1"]
> = wlp3s0 IPv6 Canon MX920 series                            _canon-bjnp1._tcp    local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [8611]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local." "pdl=application/octet-stream" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=20" "qtotal=1" "note=" "rp=auto" "txtvers=1"]
> = wlp3s0 IPv4 Canon MX920 series                            _canon-bjnp1._tcp    local
>    hostname = [09B19B000000.local]
>    address = [192.168.1.108]
>    port = [8611]
>    txt = ["mac=84:BA:3B:09:B1:9B" "Fax=F" "Scan=T" "Duplex=T" "Color=T" "UUID=00000000-0000-1000-8000-84BA3B09B19B" "usb_CMD=" "usb_MDL=MX920 series" "usb_MFG=Canon" "adminurl=http://09B19B000000.local." "pdl=application/octet-stream" "product=(Canon MX920 series)" "ty=Canon MX920 series" "priority=20" "qtotal=1" "note=" "rp=auto" "txtvers=1"]


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