hplip-gui 3.21.2+dfsg1-1 (s390x binary) in ubuntu hirsute

 The HP Linux Printing and Imaging System provides full support for
 printing on most HP SFP (single function peripheral) inkjets and many
 LaserJets, and for scanning, sending faxes and for photo-card access on
 most HP MFP (multi-function peripheral) printers.
 .
 This package contains utilities with graphical user interface (GUI) for
 HPLIP: HP Toolbox, HP Fax, ...
 .
 Note that all GUI utilities are based on the Qt GUI environment. There
 are currently no equivalent utilities based on GTK+.