On Wed, Jun 22, 2022 at 12:43 PM Doug Herr <fedoraproject.org@xxxxxxxxxxx> wrote:
On Wed, Jun 22, 2022, at 8:01 AM, Doug Herr wrote:
> But, I checked my virtual machine to see how it is connecting to the printer...
>
> Brother_DCP-L2550DW_series
This seems to be a much newer printer and does have Apple AirPrint. AirPrint was
introduced in 2011 to support iPads. https://openprinting.github.io/driverless/01-standards-and-their-pdls/
summarizes the differences in the various Driverless Printing implementations. PDF is supported
across the board, but there are several raster formats and also PDFm which is viewable with PDF viewers,
but tailored for the capabilities of specific printer models. AirPrint and IPP use different raster formats,
and Apple could change the details in the future, but currently it doesn't appear to be a big deal as most
printers support both and conversion from IPP to Apple raster formats just requires simplifying the header,
so probably easy to implement in the printer to gain IPP support.
I just thought to check the web interface that the printer provides and I see that connection protocols can be turned off.
This is at http://{printer IP}/net/net/protocol.html
Protocol
Web Based Management (Web Server) HTTP Server Settings
SNMP Advanced Settings
LPD Advanced Settings
Raw Port
IPP HTTP Server Settings <<<<<<< CUPS driverless printing
AirPrint Advanced Settings HTTP Server Settings
Mopria <<<<<< also a "driverless printing" protocol
Web Services Advanced Settings HTTP Server Settings
Mobile printing for Windows
Proxy Advanced Settings
Network Scan
SMTP Advanced Settings
FTP Server
FTP Client
TFTP
mDNS Advanced Settings
LLMNR
The only two that are unchecked for the above list are "FTP Server" and "Proxy".
George N. White III
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