Comment 27 for bug 486643

I, too, am not able to cause my HP LaserJet 4L to be seen by the system when a parallel-to-usb converter is used. Here is the output of my sudo lsusb -v command:

Bus 003 Device 002: ID 04b4:4100 Cypress Semiconductor Corp.
Device Descriptor:
  bLength 18
  bDescriptorType 1
  bcdUSB 1.10
  bDeviceClass 0 (Defined at Interface level)
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 8
  idVendor 0x04b4 Cypress Semiconductor Corp.
  idProduct 0x4100
  bcdDevice 0.02
  iManufacturer 1
  iProduct 2
  iSerial 0
  bNumConfigurations 1
  Configuration Descriptor:
    bLength 9
    bDescriptorType 2
    wTotalLength 50
    bNumInterfaces 1
    bConfigurationValue 1
    iConfiguration 4
    bmAttributes 0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower 100mA
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 0
      bAlternateSetting 2
      bNumEndpoints 2
      bInterfaceClass 7 Printer
      bInterfaceSubClass 1 Printer
      bInterfaceProtocol 2 Bidirectional
      iInterface 0
      ** UNRECOGNIZED: 09 21 10 01 00 01 22 25 00
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0008 1x 8 bytes
        bInterval 0
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x82 EP 2 IN
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0040 1x 64 bytes
        bInterval 0
cannot read device status, Broken pipe (32)