https://bugs.kde.org/show_bug.cgi?id=526453

            Bug ID: 526453
           Summary: High UI response time when using HP Scanjet 5590
                    (sane-hp5590)
    Classification: Applications
           Product: Skanpage
      Version First 26.08.1
       Reported In:
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Created attachment 196712
  --> https://bugs.kde.org/attachment.cgi?id=196712&action=edit
output when SANE_DEBUG_HP5590=50

DESCRIPTION
UI is slow to respond to events like mouse hovering over elements and other
user actions when the scanner is selected for use

STEPS TO REPRODUCE
1. Connect HP Scanjet 5590 using USB cable
2. Launch Skanpage
3. Scanner is detected and selected for use in the app

OBSERVED RESULT
UI response time is high

EXPECTED RESULT
UI response time is low

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 44 
KDE Plasma Version: 6.7.5
KDE Frameworks Version: 6.30.0
Qt Version: 6.11.2
Sane-backends version: 1.4.0

ADDITIONAL INFORMATION
Using SANE_DEBUG_HP5590 environment variable results in flood of USB-related
messages, captured the attached file

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