USB printer not detected

[Till Kamppeter]

Can you do

ls -l /dev/usblp*

    Till


Mikael Nilsson wrote:
>> Update your Feisty to have the newest version of all packages:
>>
>> sudo apt-get update
>> sudo apt-get dist-upgrade
>>
>> If this does not help, add the user "cupsys" to the "plugdev" group in
>> /etc/group.
> 
> It did not help, but it *does* seem to be a permissions problem... doing "chmod a+rwx /dev/usb*" now gives me
> 
> network socket
> network beh
> network bluetooth
> direct usb://Canon/MP600
> network http
> network ipp
> network lpd
> network smb
> 
> Thanks!
> 
> Any idea what the problem might be? Might some process run as another user than cupsys?
> 
> Will investigate...
> 
> /Mikael
> 
>>     Till
>>
>> Mikael Nilsson wrote:
>>> Hi!
>>>
>>> I'm on Ubuntu Feisty, and I have issues with detection of my USB printer, a Canon PIXMA MP600. I'm told the IP4200 drivers should work, but lpinfo -v tells me:
>>>
>>> network socket
>>> network beh
>>> network bluetooth
>>> direct hp:/no_device_found
>>> network http
>>> network ipp
>>> network lpd
>>> network smb
>>>
>>> while "for f in /usr/lib/cups/backend/*; do $f; done" gives
>>>
>>> network beh "Unknown" "Backend Error Handler"
>>> network bluetooth "Unknown" "Bluetooth printer"
>>> direct hp:/no_device_found "Unknown" "hp no_device_found"
>>> network http "Unknown" "Internet Printing Protocol (http)"
>>> network ipp "Unknown" "Internet Printing Protocol (ipp)"
>>> bash: /usr/lib/cups/backend/lpd: Åtkomst nekas
>>> network smb "Unknown" "Windows Printer via SAMBA"
>>> network socket "Unknown" "AppSocket/HP JetDirect"
>>> direct usb://Canon/MP600 "Canon MP600" "Canon MP600 USB #1" "MFG:Canon;CMD:BJL,BJRaster3,BSCCe;SOJ:TXT01;MDL:MP600;CLS:PRINTER;DES:Canon MP600;VER:1.04;STA:10;FSI:03;HRI:OTH;MSI:DAT,E3;"
>>>
>>> Of course, neither the Web interface nor the GNOME printer applet can add the printer.
>>>
>>> How come the USB printer is detected by the backend but not by lpinfo???
>