According to lsmod ppdev is installed:
lsmod |grep ppdev
ppdev                  10116  2
parport                36936  3 ppdev,lp,parport_pc

I don't understand what you mean by 'unless printer is using network 
i/o'.  There is a network installed and it is marked as:
    HP JetDirect Configuration
    Status:  I/O card ready

When I try to connect to the IP under JetDirect Configuration Menu
I get the error:
   An error occurred while loading http://144.45.155.161:
   Could not connect to host 144.45.155.161.

Running /usr/lib/cups/backend/hp gives:
   Direct hp "Unknown" "HP Printer (HPLIP)"

Does the embedded web server have anything to do with the JetDirect process?


Larry


   dwelch91 wrote:
> Do you have the ppdev module loaded?
> http://hplip.sourceforge.net/troubleshooting/parallel.html
> 
> Note that you cannot access the embedded web server unless the printer is
> using network I/O (hp:/net/...)
> 
> -Don
> 
> 
> On 8/12/07, Larry Alkoff <[EMAIL PROTECTED]> wrote:
>> Hello Don.
>>
>> My printer is installed in Cups as hp41:
>> Make and Model: HP LaserJet 4100 Series v.3010.107 Postscript
>> (recommended)
>> Device URI: parallel:/dev/lp0
>> This printer works.
>>
>> so I installed a new printer in Cups as hp41plip:
>> Make and Model: HP LaserJet 4100 Series v.3010.107 Postscript
>> (recommended)
>> Printer State: processing, accepting jobs, published.
>> Device URI: hp:/par/HP_LaserJet_4100_Series?device=/dev/parport0
>>
>> However the printer does not print the test page and gives the error
>> hp41hplip "open print channel failed; will retry in 30 seconds..."
>> even though I have a /dev/parport0.
>>
>> Where would I find the 'hp-toolbox'?  Perhaps it will open even though
>> the printer seems not to be printing.
>>
>> Larry
>>
>> dwelch91 wrote:
>>> If you have the printer installed in hplip, and it appears in the
>>> hp-toolbox, and its network connected, it should work. You should be
>> able to
>>> access the printer via the button in hp-toolbox in the Tools tab labeled
>>> "Embedded Web Server". Or, you can type in "http://<ip address of
>> printer>
>>> in a web browser. Do either of these methods work?
>>>
>>> -Don
>>>
>>>
>>> On 8/11/07, Larry Alkoff <[EMAIL PROTECTED]> wrote:
>>>> I purchased today a used HP LaserJet 4100 with a network card installed
>>>> for use in Linux
>>>> but cannot connect to the web based configuration interface.
>>>>
>>>> The HP LJ 4100 User Guide I downloaded tells all the wonderful things
>>>> you can do using the internal web server but gives no idea how to find
>>>> or set it.
>>>>
>>>> Can someone give me a hint how to proceed?
>>>> Forgive me if this is not the correct list for this question.
>>>>
>>>> Larry
>

-- 
Larry Alkoff N2LA - Austin TX
Using Thunderbird on Linux

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