Re: Recent cups update not working

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On Sun, 2024-12-15 at 07:24 -0500, Charles Dennett wrote:
> 
> On 12/15/24 5:26 AM, Patrick O'Callaghan wrote:
> > On Sat, 2024-12-14 at 19:29 -0500, Charles Dennett wrote:
> > > Cups on my Fedora 41 desktop system was recently upgraded to 1:2.4.11-8.
> > >    When trying to print, printer pauses.  Try to resume printer, but it
> > > pauses again without printing.  Rebooted system.  Did not fix problem.
> > > Updated all packages in Fedora updates as of 12/14/21 and rebooted.  Did
> > > not fix problem.  Did a "dnf downgrade cups" which replaced the
> > > 1:2.4.11-8 version with the previous 1:2.4.11-2 version.  Printing now
> > > works.  Seems to indicate an issue with the -8 version.
> > > 
> > > Error in system logs each time printer failed to resume was "Backend
> > > ipps returned status 4".
> > > 
> > > I've filed a bug report on this. (The text above is from the bug report.)
> > > 
> > > https://bugzilla.redhat.com/show_bug.cgi?id=2332435
> > > 
> > > 
> > You don't give the make or model of the printer, or the driver you're
> > using with it. CUPS is working for me (Brother wireless printer/scanner
> > using the built-in driver via DNSSD).
> > 
> 
> Sorry about that.  It's a Brother DCP-L2640DW, wireless laser 
> printer/scanner.  It uses the IPP everywhere driver.  That's what the 
> configuration process picks when adding the printer.
> 
> 

Mine is a DCP-L2630DW, so should be essentially the same.

>  From the CUPS web interface (localhost:631):
> 
> Driver:	DCP-L2640DW - IPP Everywhere (grayscale, 2-sided printing)
> Connection:	ipps://Brother2640.local:443/ipp/print

I have:

Brother DCP-L2530DW series, driverless, 2.0.0 (grayscale, 2-sided printing)
dnssd://Brother%20DCP-L2530DW%20series._ipp._tcp.local/?uuid=xxxxxxxxxxxxxxxxxxxxxxx

Maybe try the "driverless" option.

> The printer has worked with no issues until the latest update.
> 
> Also tried reinstalling latest cups packages.  Problem returned so I 
> downgraded them again to the previous version once again.  Works fine on 
> the older version, not on the newest.

CUPS version is:

cups-2.4.11-8.fc41.x86_64

poc
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