I have this problem from time to time with a printer connected via USB.
Sometimes it helps to reset the particular USB port, sometimes it is
necessary to shut down the printer, disconnect it, reset the USB port and
reconnect the printer.  Sometimes the only solution is reboot.
It happens around once a month but lately (knock on wood) it has not happened.

I don't know about the original poster, but wouldn't help for the thing
I noticed it with (e.g. MuseScore as an appimage).  You have a generic
app that's supposed to work everywhere, but it's the lowest common
denominator, ignoring any distro-specific features.  And there's the
sandboxing to contend with, too.


Now I seem to have the same persistent problem with printing from google-chrome-stable.  The printings just go into deep space. They disappear from the CUPS queue and nothing gets printed.  The workaround is to "print" to a PDF and then print the PDF.  That works reliably so far.

Cheers
Frank

Have you tried the two step process I mentioned in my thread. I see the same issues you are reporting in that the first time I select a printer from the list and print to it the print goes into limbo, with the print process saying it has finished but the printer never seeing it (This is with a network connected printer, not a print connected directly to the desktop), but if I issue the print to the same printer a second time it actually printers. The same issue occurs if I change cups printer drivers in the print process, and even if after printing with the different driver I switch back to the driver I've already printed with I still have to go through the two step print process.

I even have an issue under Windows where on my wife laptop printing with the epson supplied drivers causes the print to go off into limbo (as you are reporting), the printing has to be done with the microsoft driver, and this is where on my wife's laptop I have the print environment set up exactly the same on my desktop where printing with the epson drivers works fine.

regards,

BEGIN:VCARD
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N:Morris;Stephen;;;
FN:Stephen Morris
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