Canon MG5520 wireless printer

[Rick Stevens]

On 10/06/2014 12:44 PM, Louis Lagendijk issued this missive:
> On Mon, 2014-10-06 at 12:32 -0700, Rick Stevens wrote:
>> On 10/06/2014 11:45 AM, Kevin Cummings issued this missive:
>>> On 10/06/2014 11:52 AM, Louis Lagendijk wrote:
>>>> Be sure to open the firewall for UDP port 8611, so autodetection works.
>>>> And you need to install cups-bjnp so CUPS knows how to talk to the
>>>> printer...
>>>
>>> That makes sense.  cups-bjnp is now installed (but I don't need it to
>>> use the USB cable), and I'll open up UDP port 8611.  Thanks!
>>
>> Since it wasn't clear, "bnjp://" over 8611 is the "bonjour" protocol
>> (Apple's implementation of the Zeroconf protocol).
> No it is not Bonjour related. BJNP is the Canon Inkjet printing
> protocol. Cups-bjnp implements this protocol to enabler network printing
> on Canon Inkjet printers. Sane implements it (on port 8612) for scanning
> over IP-networks. Now it is true that Canon printers often use Zeroconf
> for advertising their capabilities, so cups-bjnp could theoretically use
> it to find printers. It however uses UDP broadcasts to find the printers
> on the local network. Implementing zeroconf in cups-bjnp is somewhere
> low on my TODO list (I wrote cups-bjnp) as nobody has asked for it and I
> have no use for it myself.

I stand corrected. So it's a specific Canon thing, eh? Ok. I usually
have Brother or HP printers.
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- Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
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