google cloud print ending

[Neal Becker]

So what to do now?  On my android device, I installed a mopria app, and it 
finds my brother laser printer just fine.  But to print from my linux 
desktop, I've never setup a system printer, just depended on printing to 
google cloud via chrome.

From what info I found via google search, cups should just work with mopria-
enabled printers (like mine). According to articles I found cups should just 
detect it as available network printers. So I tried it.  kde printer config 
and system-config-printers both detect nothing as available network 
printers.
Mopria app on my android detects it just fine.  Both connected to same wifi.

This is a pretty complete F31 workstation install.

Any ideas how to debug this and/or fix it?

Thanks,
Neal

[George N. White III]

On Sat, 23 Nov 2019 at 10:33, Neal Becker  wrote:
> So what to do now?  On my android device, I installed a mopria app, and it
> finds my brother laser printer just fine.  But to print from my linux
> desktop, I've never setup a system printer, just depended on printing to
> google cloud via chrome.
>
> From what info I found via google search, cups should just work with
> mopria-
> enabled printers (like mine). According to articles I found cups should
> just
> detect it as available network printers. So I tried it.  kde printer
> config
> and system-config-printers both detect nothing as available network
> printers.
> Mopria app on my android detects it just fine.  Both connected to same
> wifi.

Debian has a decent document on CUPS Driverless Printing
https://wiki.debian.org/CUPSDriverlessPrinting#The_Concept_of_Driverless_Printing

Driverless printing was designed for mobile devices that might encounter
many different printers so could not afford the overhead of setting up
individual
printers.   The compromise is to have a small set of capabilities that was
easy
for all the printer vendors to support.    I have a Mopria certified
printer from
Canon that usually works with my wife's IOS devices, but on my desktop I
use
the CUPS/Gutenprint PPD for the Mopria printer.  Some documents fail using
Mopria but do print from Fedora or Adobe Acrobat on Windows.
> Any ideas how to debug this and/or fix it?

Does the printer appear using "avahi-browse -all | grep Printer"?  Mine
shows
up as both "Internet Printer" and "UNIX Printer".

My Mopria-capable printer didn't appear using the Gnome tool in Fedora 31,
but CUPS Admin http://localhost:631/ gave me two options: Gutenprint and
another that didn't
use Gutenprint. I thought that might not provide the full capabilities so
went
with Gutenprint.

[Stephen Morris]

On 24/11/19 05:58, George N. White III wrote:
> On Sat, 23 Nov 2019 at 10:33, Neal Becker <[e-mail] 
> > wrote:
> So what to do now?  On my android device, I installed a mopria
> app, and it
> finds my brother laser printer just fine.  But to print from my linux
> desktop, I've never setup a system printer, just depended on
> printing to
> google cloud via chrome.
>
> >From what info I found via google search, cups should just work
> with mopria-
> enabled printers (like mine). According to articles I found cups
> should just
> detect it as available network printers. So I tried it.  kde
> printer config
> and system-config-printers both detect nothing as available network
> printers.
> Mopria app on my android detects it just fine.  Both connected to
> same wifi.
>
>
> Debian has a decent document on CUPS Driverless Printing 
> https://wiki.debian.org/CUPSDriverlessPrinting#The_Concept_of_Driverless_Printing
>
> Driverless printing was designed for mobile devices that might encounter
> many different printers so could not afford the overhead of setting up 
> individual
> printers.   The compromise is to have a small set of capabilities that 
> was easy
> for all the printer vendors to support.    I have a Mopria certified 
> printer from
> Canon that usually works with my wife's IOS devices, but on my desktop 
> I use
> the CUPS/Gutenprint PPD for the Mopria printer.  Some documents fail 
> using
> Mopria but do print from Fedora or Adobe Acrobat on Windows.
> Any ideas how to debug this and/or fix it?
>
>
> Does the printer appear using "avahi-browse -all | grep Printer"?  
> Mine shows
> up as both "Internet Printer" and "UNIX Printer".
>
> My Mopria-capable printer didn't appear using the Gnome tool in Fedora 
> 31,
> but CUPS Admin http://localhost:631/ gave me two options: Gutenprint 
> and another that didn't
> use Gutenprint. I thought that might not provide the full capabilities 
> so went
> with Gutenprint.
>
> -- 
> George N. White III

I've got another thread on this list around trying to set up my Google 
Cloud Printer in cups where at the moment I've been unable to activate 
Google Cloud Printing in cups. I'm using Fedora 30 in a VM under Windows 
10. In Windows 10 I have my network connected printer installed as a 
network printer and I also have a Google Cloud Printer in the printer 
device list, but cups doesn't see either as a network printer. I've 
installed a Goople Cloud Connector service for cups to use but so far I 
have been unable to get the service to start. Cups also doesn't seem to 
want to work with the url supplied by Google Cloud Printing, so I'm 
struggling to get the interface working. I'm using the Vmware Player to 
provide the VM's and it is indicating that printing uses the serial 
interface I think it said. I'm not sure if that is contributing the 
issues either.

regards,
Steve
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