stavo seguendo proprio quella guida....

# lsusb
Bus 003 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 002 Device 005: ID 04a9:108d Canon, Inc.
Bus 002 Device 004: ID 04e8:326c Samsung Electronics Co., Ltd
Bus 002 Device 003: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub
Bus 002 Device 002: ID 046d:c000 Logitech, Inc. N43 [Pilot Mouse]
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 005 Device 001: ID 0000:0000

le stampanti Canon e Samsung le rileva....