Re: handling of printer-more-info in CUPS

thanks Till,
just for information I created a related KDE bug: 
https://bugs.kde.org/show_bug.cgi?id=521508

Armin

On 16/06/2026 00:06, Till Kamppeter wrote:
> [ CCed the developers for driverless IPP printing support in the 
> printer setup
>   tools of the GNOME, KDE, and COSMIC desktops ]
>
> Armin,
>
> thanks for the hint with "printer-more-info" in the printer properties 
> reported in response to a "get-printer-attributes" IPP request and 
> that the functionality accessible through this URI is often not 
> accessible via the standard web admin interface of the same printer.
>
> Anybody developing printer setup tools,
>
> according to Armin's findings, it seems that for each IPP print 
> destination listed by the printer setup tool there should not only be 
> a button for opening the standard web admin interface, but also, if a 
> "printer-more-info" attribute is reported, a button to open the link 
> provided by this attribute.
>
> Also, the "get-printer-attributes" IPP response should be checked for 
> other interesting URI-type attributes which could deserve/need a 
> button in the printer setup tool. Michael (Sweet), as master of IPP, 
> anything worthwhile here?
>
>    Till
>
>
> On 6/15/26 23:47, Armin Felder wrote:
>> Hi,
>>
>> my printer app exposes
>>
>> printer-more-info (uri) =http://127.0.0.1:8142/Brother_TD-2020_(USB)/
>>
>> to cups, but in the web interface, I can not find any link pointing 
>> to this uri.
>>
>> I think this is a bit confusing for users, as they only see/use the 
>> operating systems printer settings dialog,
>> which points to http://localhost:631 , but from there they do not get 
>> to the printers own page,
>>   where may settings/information not exposed via IPP (always on, 
>> reconfiguration of generic buttons, phonebook etc.) are offered.
>>
>> I would suggest either:
>> print dialog -> cups webpage -> printer webpage
>>
>> print dialog : -> printer webpage
>>                        : -> cups webpage
>>
>> BR
>> Armin
>>
>>
>