[Bug 1938100] [NEW] Unable to print to usb connected HP Deskjet 2621

[Geoff English]

Public bug reported:

I can print over wifi to the  HP Deskjet 2621

1. However, Unable to print to usb connected HP Deskjet 2621
As soon as an attempt is made to reference the printer on the usb port or print over usb, the usb port is crashed/locked

The problem seems to be with usblp, ippusbxd and apparmor

If usblp is blacklisted, removed and apt remove ippusbxd is performed,
the printer on the usb port can be referenced or printed to
successfully.

However, ippusbxd is required:
a. to enable modification of network settings (Advanced Network Configuration)
b. when a ghost printer is selected, causes message 'Getting printer information....' in application print dialog window (more accurately - fails to communicate with usb connected printer in print dialog window)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 5.8.0-63.71~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-63-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Tue Jul 27 09:05:23 2021
InstallCmdLine: file=/cdrom/preseed/xubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
InstallationDate: Installed on 2021-07-24 (2 days ago)
InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
SourcePackage: ubiquity
Symptom: installation
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal ubiquity-20.04.15.10

** Attachment added: "This screenshot shows the ghost printer in the application printer dialog window compared to actual  queues displayed in 'Printers - localhost'"
   https://bugs.launchpad.net/bugs/1938100/+attachment/5513908/+files/Screenshot_2021-07-27_09-26-47.png

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https://bugs.launchpad.net/bugs/1938100

Title:
  Unable to print to usb connected HP Deskjet 2621

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I can print over wifi to the  HP Deskjet 2621

  1. However, Unable to print to usb connected HP Deskjet 2621
  As soon as an attempt is made to reference the printer on the usb port or print over usb, the usb port is crashed/locked

  The problem seems to be with usblp, ippusbxd and apparmor

  If usblp is blacklisted, removed and apt remove ippusbxd is performed,
  the printer on the usb port can be referenced or printed to
  successfully.

  However, ippusbxd is required:
  a. to enable modification of network settings (Advanced Network Configuration)
  b. when a ghost printer is selected, causes message 'Getting printer information....' in application print dialog window (more accurately - fails to communicate with usb connected printer in print dialog window)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 5.8.0-63.71~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-63-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  Date: Tue Jul 27 09:05:23 2021
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
  InstallationDate: Installed on 2021-07-24 (2 days ago)
  InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  SourcePackage: ubiquity
  Symptom: installation
  UpgradeStatus: No upgrade log present (probably fresh install)

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