ubuntu 19.10 / print bug : requires authentication

[Cdag]

Hello,

I have 2 computers(one laptop and one desktop) which have a dual boot Windows / Ubuntu. My printer (Xerox WorkCentre 6015B) is plugged on a USB port from my modem on which my computers are connected using Wi-Fi.

Since the upgrade of Ubuntu to version 19.10, I cannot print. On both computers I get the same message : [The printer] requires authentication / credentials required in order to print.

With Ubuntu 19.04, I had absolutely no problem. I tried with a live USB with Ubuntu 19.04, there is no problem, the printer works. With a Ubuntu live 19.10, it doesn't work.

If I plug the printer directly on a USB port on my computer, I get the same error message : [The printer] requires authentication / credentials required in order to print.

It's the same behaviour on both computers, no I guess it must be a bug. Anyway I don't know which authentication I could do, with which ID and password ?

Thank you very much

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: cups 2.2.12-2ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
Uname: Linux 5.3.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 5 15:12:07 2019
Lpstat: device for Xerox_WorkCentre_6015B_Wi-Fi: smb://FREEBOX_SERVER/Xerox%20WorkCentre%206015B
MachineType: Acer Aspire V5-571
Papersize: a4
PpdFiles: Error: command ['fgrep', '-H', '*NickName', '/etc/cups/ppd/Xerox_WorkCentre_6015B_Wi-Fi.ppd'] failed with exit code 2: grep: /etc/cups/ppd/Xerox_WorkCentre_6015B_Wi-Fi.ppd: Permission denied
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-18-generic root=UUID=fb8ccf3e-9970-4066-bae2-26fe4387c122 ro quiet splash vt.handoff=7
SourcePackage: cups
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/21/2012
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: V2.15
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire V5-571
dmi.board.vendor: Acer
dmi.board.version: V2.15
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.15
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrV2.15:bd12/21/2012:svnAcer:pnAspireV5-571:pvrV2.15:rvnAcer:rnAspireV5-571:rvrV2.15:cvnAcer:ct9:cvrV2.15:
dmi.product.family: Aspire V5-571
dmi.product.name: Aspire V5-571
dmi.product.sku: Aspire V5-571_072A_2.15
dmi.product.version: V2.15
dmi.sys.vendor: Acer

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[simon (simon-pithers)]

I have the same issue. Printing was working on a network shared printer (samba), ubuntu 19.04. Now on 19.10 it is not printing. I get "Credentials required in order to print", but not modal appears to enter details. I have also tried setting authentication directly user/password via Printers>Additional Printer Settings>[PRINTER>Propeties]>Device URI> Set authentication details now.. but makes no difference.
No clue in CUPS error or access logs.

[Tobias Kuhn (tkuhn)]

It doesn't seem to me that this is really a duplicate of bug #1849859. At least the reported symptoms are not identical.

In any case, has anybody found a workaround for this?

[Matifou (matthieu-stigler)]

Same issue on Ubuntu 19.10 trying to access printer on samba share. Used to work on 18.04. Not obvious if related to bug #1849859, al least error message is different.

[Alexey Nikitin (mbr55aa)]

I have the same issue on two PCs with HP LaserJet 1020 printer connected to the Wi-Fi router on Ubuntu 19.10.

[Jan Dolezal (jan.dolezal)]

The solution to this problem is here guys: https://askubuntu.com/questions/1186081/xerox-workcentre-6015b-requires-authentication-credentials-required-in-order/1186501#1186501?newreg=b77db8f4e5e742de8a0b4092ad8acac0

[Don Carlson (don-c-tx)]

I realize the last post here was almost two years ago, but I am new to Ubuntu, having recently wiped my drive to completely remove Windows from my laptop.

Funny enough, my reason for getting rid of Windows was that they kept re-installing an update that interfered with printing to a shared printer. Now, with Ubuntu, I'm happy to be done with Windows and vow never to go back...but I'm still having problems printing.

I found this post because I'm experiencing these exact symptoms, but the suggested solution does not work. Is anybody working on a fix? Is there a work-around?

I have a very stable Windows 7 desktop that is always on...connected via USB to an old HP Laserjet IV Plus that is a workhorse. The printer works great locally, and until a few weeks ago it was working flawlessly as a shared printer, as well.

When I installed Ubuntu and ran into this problem, I tried every suggestion I was able to find on the web, but nothing works. I continue to see this same behavior with the "credentials required" error.

Please help