lsusb
dmesg | grep usb

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 004: ID 13d3:5122 IMC Networks
Bus 002 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 001 Device 005: ID 0cf3:3005 Atheros Communications, Inc.
Bus 002 Device 004: ID 04f9:0270 Brother Industries, Ltd [ 2.175097] usbcore: registered new interface driver usbfs
[ 2.175106] usbcore: registered new interface driver hub
[ 2.175129] usbcore: registered new device driver usb
[ 3.401742] usb 1-1: new high speed USB device number 2 using ehci_hcd
[ 3.645514] usb 2-1: new high speed USB device number 2 using ehci_hcd
[ 3.865259] usb 1-1.1: new full speed USB device number 3 using ehci_hcd
[ 4.029084] usb 1-1.2: new high speed USB device number 4 using ehci_hcd
[ 4.237037] usb 2-1.4: new low speed USB device number 3 using ehci_hcd
[ 4.338222] input: Logitech Optical USB Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input4
[ 4.338276] generic-usb 0003:046D:C016.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:1d.0-1.4/input0
[ 4.338285] usbcore: registered new interface driver usbhid
[ 4.338286] usbhid: USB HID core driver
[ 16.736360] usbcore: registered new interface driver btusb
[ 16.957372] input: USB2.0 UVC 2M WebCam as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input5
[ 16.957539] usbcore: registered new interface driver uvcvideo
[ 17.251329] usbcore: registered new interface driver ath3k
[ 17.403403] usb 1-1.1: USB disconnect, device number 3
[ 17.877955] usb 1-1.1: new full speed USB device number 5 using ehci_hcd
[ 59.811843] usb 2-1.2: new high speed USB device number 4 using ehci_hcd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 004: ID 13d3:5122 IMC Networks
Bus 002 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 001 Device 005: ID 0cf3:3005 Atheros Communications, Inc.
Bus 002 Device 005: ID 04f9:0270 Brother Industries, Ltd [ 2.175097] usbcore: registered new interface driver usbfs
[ 2.175106] usbcore: registered new interface driver hub
[ 2.175129] usbcore: registered new device driver usb
[ 3.401742] usb 1-1: new high speed USB device number 2 using ehci_hcd
[ 3.645514] usb 2-1: new high speed USB device number 2 using ehci_hcd
[ 3.865259] usb 1-1.1: new full speed USB device number 3 using ehci_hcd
[ 4.029084] usb 1-1.2: new high speed USB device number 4 using ehci_hcd
[ 4.237037] usb 2-1.4: new low speed USB device number 3 using ehci_hcd
[ 4.338222] input: Logitech Optical USB Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input4
[ 4.338276] generic-usb 0003:046D:C016.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:1d.0-1.4/input0
[ 4.338285] usbcore: registered new interface driver usbhid
[ 4.338286] usbhid: USB HID core driver
[ 16.736360] usbcore: registered new interface driver btusb
[ 16.957372] input: USB2.0 UVC 2M WebCam as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input5
[ 16.957539] usbcore: registered new interface driver uvcvideo
[ 17.251329] usbcore: registered new interface driver ath3k
[ 17.403403] usb 1-1.1: USB disconnect, device number 3
[ 17.877955] usb 1-1.1: new full speed USB device number 5 using ehci_hcd
[ 59.811843] usb 2-1.2: new high speed USB device number 4 using ehci_hcd
[ 1180.934299] usb 2-1.2: USB disconnect, device number 4
[ 1263.217639] usb 2-1.2: new high speed USB device number 5 using ehci_hcdsudo modprobe usblp


filename: /lib/modules/3.0.0-15-generic-pae/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
srcversion: BDFE7FEB29002E71399403A
alias: usb:v04B8p0202d*dc*dsc*dp*ic*isc*ip*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip03*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip02*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip01*
alias: usb:v*p*d*dc07dsc01dp03ic*isc*ip*
alias: usb:v*p*d*dc07dsc01dp02ic*isc*ip*
alias: usb:v*p*d*dc07dsc01dp01ic*isc*ip*
depends:
vermagic: 3.0.0-15-generic-pae SMP mod_unload modversions 686
parm: proto_bias:Favourite protocol number (int)echo usblp | sudo tee -a /etc/modules




lsusbBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 0cf3:3005 Atheros Communications, Inc.
Bus 001 Device 004: ID 13d3:5122 IMC Networks
Bus 002 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 002 Device 005: ID 04f9:0270 Brother Industries, Ltd dmesg | grep usb[ 2.178804] usbcore: registered new interface driver usbfs
[ 2.178813] usbcore: registered new interface driver hub
[ 2.178835] usbcore: registered new device driver usb
[ 3.421430] usb 1-1: new high speed USB device number 2 using ehci_hcd
[ 3.669185] usb 2-1: new high speed USB device number 2 using ehci_hcd
[ 3.888919] usb 1-1.1: new full speed USB device number 3 using ehci_hcd
[ 3.964837] usb 1-1.1: device descriptor read/64, error -32
[ 4.236723] usb 1-1.2: new high speed USB device number 4 using ehci_hcd
[ 4.444490] usb 2-1.4: new low speed USB device number 3 using ehci_hcd
[ 17.815940] usbcore: registered new interface driver usblp
[ 17.918276] usbcore: registered new interface driver btusb
[ 17.948929] input: Logitech Optical USB Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input4
[ 17.951010] generic-usb 0003:046D:C016.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:1d.0-1.4/input0
[ 17.951029] usbcore: registered new interface driver usbhid
[ 17.951031] usbhid: USB HID core driver
[ 17.957783] input: USB2.0 UVC 2M WebCam as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input5
[ 17.957930] usbcore: registered new interface driver uvcvideo
[ 37.074790] usb 2-1.2: new high speed USB device number 4 using ehci_hcd
[ 37.169556] usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0270
[ 49.660464] usb 2-1.2: USB disconnect, device number 4
[ 49.660556] usblp0: removed
[ 60.125063] usb 2-1.2: new high speed USB device number 5 using ehci_hcd
[ 60.219678] usblp0: USB Bidirectional printer dev 5 if 0 alt 0 proto 2 vid 0x04F9 pid 0x0270modinfo usblpfilename: /lib/modules/3.0.0-15-generic-pae/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
srcversion: BDFE7FEB29002E71399403A
alias: usb:v04B8p0202d*dc*dsc*dp*ic*isc*ip*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip03*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip02*
alias: usb:v*p*d*dc*dsc*dp*ic07isc01ip01*
alias: usb:v*p*d*dc07dsc01dp03ic*isc*ip*
alias: usb:v*p*d*dc07dsc01dp02ic*isc*ip*
alias: usb:v*p*d*dc07dsc01dp01ic*isc*ip*
depends:
vermagic: 3.0.0-15-generic-pae SMP mod_unload modversions 686
parm: proto_bias:Favourite protocol number (int)echo usblp | sudo tee -a /etc/modulesusblpdpkg -l | grep brscansudo service cups stop
sudo service cups restart

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