Comment 2 for bug 1953260

Output of `simple-scan -d` from startup to getting the error:

[+0,00s] DEBUG: simple-scan.vala:1720: Starting simple-scan 3.36.3, PID=18139
[+0,00s] DEBUG: unsetenv() is not thread-safe and should not be used after threads are created
[+0,03s] DEBUG: _g_io_module_get_default: Found default implementation gvfs (GDaemonVfs) for ‘gio-vfs’
[+0,11s] DEBUG: _g_io_module_get_default: Found default implementation dconf (DConfSettingsBackend) for ‘gsettings-backend’
[+0,15s] DEBUG: app-window.vala:1906: Loading state from /home/thomas/.cache/simple-scan/state
[+0,15s] DEBUG: app-window.vala:1885: Restoring window to 587x419 pixels
[+0,55s] DEBUG: app-window.vala:1981: Saving state to /home/thomas/.cache/simple-scan/state
[+3,32s] DEBUG: scanner.vala:1539: sane_init () -> SANE_STATUS_GOOD
[+3,32s] DEBUG: scanner.vala:1545: SANE version 1.0.29
[+3,32s] DEBUG: scanner.vala:1606: Requesting redetection of scan devices
[+3,32s] DEBUG: scanner.vala:828: Processing request
[+3,59s] DEBUG: app-window.vala:1981: Saving state to /home/thomas/.cache/simple-scan/state
[+11,18s] DEBUG: scanner.vala:341: sane_get_devices () -> SANE_STATUS_GOOD
[+11,18s] DEBUG: scanner.vala:353: Device: name="hpaio:/usb/DeskJet_2600_series?serial=CN04U9819F06PS" vendor="Hewlett-Packard" model="DeskJet_2600_series" type="all-in-one"
[+11,45s] DEBUG: app-window.vala:1981: Saving state to /home/thomas/.cache/simple-scan/state
[+11,96s] DEBUG: simple-scan.vala:1536: Requesting scan at 300 dpi from device 'hpaio:/usb/DeskJet_2600_series?serial=CN04U9819F06PS'
[+11,96s] DEBUG: scanner.vala:1674: Scanner.scan ("hpaio:/usb/DeskJet_2600_series?serial=CN04U9819F06PS", dpi=300, scan_mode=ScanMode.COLOR, depth=8, type=single, paper_width=0, paper_height=0, brightness=0, contrast=0, delay=3000ms)
[+11,96s] DEBUG: scanner.vala:828: Processing request

(simple-scan:18139): Gtk-WARNING **: 22:08:10.485: Calling org.xfce.Session.Manager.Inhibit failed: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such method “Inhibit”

(simple-scan:18139): Gtk-WARNING **: 22:08:10.486: Calling org.xfce.Session.Manager.IsInhibited failed: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such method “IsInhibited”
[+11,97s] DEBUG: scanner.vala:889: sane_open ("hpaio:/usb/DeskJet_2600_series?serial=CN04U9819F06PS") -> SANE_STATUS_IO_ERROR
[+11,97s] WARNING: scanner.vala:893: Unable to open device: Error during device I/O
[+12,29s] DEBUG: app-window.vala:1981: Saving state to /home/thomas/.cache/simple-scan/state