[K12OSN] Very frustrating!

"Terrell Prudé Jr." microman at cmosnetworks.com
Fri Jan 30 15:42:23 UTC 2009


Rob Owens wrote:
> On Fri, Jan 30, 2009 at 04:23:21PM +0200, Dean Mumby wrote:
>   
>> Rob Owens wrote:
>>     
>>> On Fri, Jan 30, 2009 at 01:22:23AM -0500, Joseph Bishay wrote:
>>>  
>>>       
>>>> Hello,
>>>>
>>>> So I have a feeling that there's some sort of evil force trying to
>>>> prevent me from getting this lab off the ground.
>>>>
>>>> My latest trouble has to do with trying to get a printer working.  I
>>>> had it working once when I was using K12LTSP 5 (based on FC with LTSP
>>>> 4.2) but now that I've upgraded to EL5 nothing is really working.
>>>> Here's the skinny:
>>>>
>>>> 1) Printer is USB HP Laserjet 1000
>>>>
>>>> 2) Printer works no problem when directly plugged into the server.
>>>> This isn't feasible because the server is not in the computer lab
>>>>
>>>> 3) The printer cannot be plugged into a thin client because it does
>>>> not work with JetDirect (as per this site
>>>> http://h10025.www1.hp.com/ewfrf/wc/fastFaqLiteDocument?lc=en&cc=uk&dlc=en&
>>>> docname=bpj06101).  My printer shows up under "Exceptions and
>>>> unsupported printers", of course.
>>>>
>>>>    
>>>>         
>>> This applies to Windows only.  This is a "host-based" printer, as HP calls 
>>> it.  That means (under Windows), it must be attached directly to a 
>>> computer.  It doesn't support jetdirect natively.  When it gets hooked to 
>>> an LTSP thin client, it should work though.  I've done it with an HP 1020.
>>>
>>> Double-check all your steps.  
>>>
>>> 1)  Is the thin client listed in lts.conf, and are you specifying in that 
>>> file that it has a usb printer attached?
>>>
>>> 2)  Does the thin client have a static IP address?
>>>
>>> 3)  Have you rebooted the thin client after making the above 
>>> changes/settings?
>>>
>>> 4)  Have you configured a jetdirect printer in cups which points to the IP 
>>> address or hostname of the correct thin client?  Did you specify HP 
>>> Laserjet 1000 as the printer?
>>>
>>> There are probably some things I'm missing here.  Everybody, feel free to 
>>> add to my list.
>>>
>>> -Rob
>>>
>>> _______________________________________________
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>>> https://www.redhat.com/mailman/listinfo/k12osn
>>> For more info see <http://www.k12os.org>
>>>  
>>>       
>> The problem I think is that its not really a printer until the computer 
>> uploads the firmware and tells it that it is a printer , this is why it 
>> needs to be connected to a pc with the drivers.
>>
>> Have you tried setting it up as a tcp/ip printer from a windows machine 
>> ? it might upload the firmware that way  ???
>>
>>     
> That could be.  I successfully used an HP Laserjet 1020 on a thin client, but that same printer had previously been attached to a Windows computer.
>
> -Rob
>   

Since it works when hooked up directly to the K12LTSP server, why not 
just hook up a little cheapie "JetDirect-like" print server, make a 
print queue in the K12LTSP server, and put the printer wherever there's 
a network drop?

Or would that not work for your situation?  Is there a specific reason 
why it has to hang directly off of a thin client?

--TP
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