/usr/share/applications/gnome-printers-panel.desktop is in gnome-control-center 1:3.28.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | [Desktop Entry]
Name=Printers
Comment=Add printers, view printer jobs and decide how you want to print
Exec=gnome-control-center printers
# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
Icon=printer
Terminal=false
Type=Application
NoDisplay=true
StartupNotify=true
# The X-GNOME-Settings-Panel is necessary to show in the main shell UI
Categories=GNOME;GTK;Settings;HardwareSettings;X-GNOME-Settings-Panel;X-GNOME-DevicesSettings;
OnlyShowIn=GNOME;Unity;
# Translators: Search terms to find the Printers panel. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
Keywords=Printer;Queue;Print;Paper;Ink;Toner;
X-Ubuntu-Gettext-Domain=gnome-control-center-2.0
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