ianl:/home/ianl> lsmod | grep usb usbhid 36110 0 usbserial 33694 6 option btusb 11053 2 bluetooth 49892 9 rfcomm,sco,bnep,l2cap,btusb hid 67288 1 usbhid usb_storage 40033 1 ianl:/home/ianl> tail -f /var/log/syslog Feb 28 19:48:39 ianl-lenovo kernel: [ 812.864101] usb 3-1: USB disconnect, address 3 Feb 28 19:49:35 ianl-lenovo kernel: [ 868.005061] usb 3-1: new full speed USB device using uhci_hcd and address 4 Feb 28 19:49:35 ianl-lenovo kernel: [ 868.190101] usb 3-1: unable to read config index 0 descriptor/all Feb 28 19:49:35 ianl-lenovo kernel: [ 868.190112] usb 3-1: can't read configurations, error -84 Feb 28 19:49:35 ianl-lenovo kernel: [ 868.304072] usb 3-1: new full speed USB device using uhci_hcd and address 5 Feb 28 19:49:35 ianl-lenovo kernel: [ 868.520101] usb 3-1: string descriptor 0 read error: -84 Feb 28 19:49:35 ianl-lenovo kernel: [ 868.520332] usb 3-1: configuration #1 chosen from 1 choice Feb 28 19:49:35 ianl-lenovo kernel: [ 868.524510] usb 3-1: can't set config #1, error -71 ianl:/home/ianl> lsusb Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 003: ID 0a5c:2101 Broadcom Corp. A-Link BlueUsbA2 Bluetooth Bus 006 Device 002: ID 045e:0084 Microsoft Corp. Basic Optical Mouse Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 005: ID 067b:2305 Prolific Technology, Inc. PL2305 Parallel Port Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b013 Chicony Electronics Co., Ltd USB 2.0 Camera Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ianl:/home/ianl> ls -l /dev/usb/lp* /dev/bus/usb/*/* ls: cannot access /dev/usb/lp*: No such file or directory crw-rw-r-- 1 root root 189, 0 2012-02-28 19:35 /dev/bus/usb/001/001 crw-rw-r-- 1 root root 189, 2 2012-02-28 19:35 /dev/bus/usb/001/003 crw-rw-r-- 1 root root 189, 128 2012-02-28 19:35 /dev/bus/usb/002/001 crw-rw-r-- 1 root root 189, 129 2012-02-28 19:35 /dev/bus/usb/002/002 crw-rw-r-- 1 root root 189, 256 2012-02-28 19:35 /dev/bus/usb/003/001 crw-rw-r-- 1 root lp 189, 260 2012-02-28 19:49 /dev/bus/usb/003/005 crw-rw-r-- 1 root root 189, 384 2012-02-28 19:35 /dev/bus/usb/004/001 crw-rw-r-- 1 root root 189, 385 2012-02-28 19:35 /dev/bus/usb/004/002 crw-rw-r-- 1 root root 189, 512 2012-02-28 19:35 /dev/bus/usb/005/001 crw-rw-r-- 1 root root 189, 640 2012-02-28 19:35 /dev/bus/usb/006/001 crw-rw-r-- 1 root root 189, 641 2012-02-28 19:35 /dev/bus/usb/006/002 crw-rw-r-- 1 root root 189, 642 2012-02-28 19:35 /dev/bus/usb/006/003 crw-rw-r-- 1 root root 189, 768 2012-02-28 19:35 /dev/bus/usb/007/001 ianl:/home/ianl> sudo usb_printerid /dev/usb/lp0 Error: No such file or directory: can't open '/dev/usb/lp0' ianl:/home/ianl> sudo usb_printerid /dev/usb/lp1 Error: No such file or directory: can't open '/dev/usb/lp1' ianl:/home/ianl> lpinfo -v direct scsi network http network ipp network lpd direct hp network socket network beh network smb direct hpfax ianl:/home/ianl> sudo modprobe --verbose usblp insmod /lib/modules/2.6.32-38-generic/kernel/drivers/usb/class/usblp.ko ianl:/home/ianl> sudo usb_printerid /dev/usb/lp0 GET_DEVICE_ID string: ������������������������|8�����0&�B$P���8�����l����<����aH��������|$�ii ����X������4������������"�����4����T�����$���������I������������p$�0����$��� �����������������������t�����������ڃ4�H�������4��������������%#x0�,����=�����`�%�<�����������.N=���H���X��������������������"�����������T�H������?(-#��h����I�?(��x���܄0�������y�$C(�?(`� ianl:/home/ianl> sudo usb_printerid /dev/usb/lp1 Error: No such file or directory: can't open '/dev/usb/lp1'