libusb permissions. Solution:
Unlike consumer inkjets, which often rely on proprietary binary blobs, the M401dn is one of the best-supported enterprise printers on Linux. Why? Because HP has a long-standing commitment to open-source printing via the project. hp laserjet pro 400 m401dn driver linux
Warning: You lose toner status, duplex control from the PC, and some page layout features. libusb permissions
“Linux,” Marcus said, shrugging.