Brian (12021-08-02): > My thinking is that a USB printer uses libusb, just as a scanner does. > No kernel driver involved. The printer drivers are "internal" to CUPS. The output of `/sbin/modinfo usblp` confirms there is a kernel driver for USB printers. filename: /lib/modules/5.10.0-8-amd64/kernel/drivers/usb/class/usblp.ko license: GPL description: USB Printer Device Class driver author: Michael Gee, Pavel Machek, Vojtech Pavlik, Randy Dunlap, Pete Zaitcev, David Paschal It is entirely possible that both this and generic libusb access are supported. Regards, -- Nicolas George
Attachment:
signature.asc
Description: PGP signature