[fwlug] need-a-geek

[Ben Dailey]

Mike,

Mike,

Yep catting directly to the /dev/lp0 devices bypasses all print systems and should give you raw access to the parallel port. I would check the bios of the AIX & Linux machines for there parallel port configurations. And it is identical "printing" device that you are moving between the AIX and Linux machines correct?

HTH,
Ben

>>> On 5/14/2008 at 10:57 AM, in message <482AFDEC.3090307 at fortwayneplastics.com>,
MIS <miked at fortwayneplastics.com> wrote:

> 
> James Scott Jr wrote:
>> Mike,
>> 
>> Printer cables have often been the culprit behind issues like this, so I
>> am going to assume you have done something to rule them out.  Like take
>> the cable end from aix and plug it into the linux box.
> 
> Remind me to tell you my 'printer cable horror story' at the next meeting 
> <chuckle>  Yes I have tried cables.
> 
>> Here are a few more ideals;\
>> 1. Determine if AIX is using any print aids like CUPS or HPlp????
>>    If yes, match those high level config on linux.
>>    If no, contine with next tip.
> 
> I have tried using lp but I have also just used 'cat <file> >/dev/lp0'.  I 
> thought that would bypass CUPS and pretty much everything else.
> 
>> 2. Find the Linux machines print controler apps, and remove the parallel
>> device from their configurations.  There is a printer icon, cups, hplip,
>> samba, and maybe a console logger. example:/etc/cups/printers.conf
> 
> Doesn't writing to the /dev/ bypass all that stuff though ... or am I 
> missing 
> something?
> 
> 
>> 3. Try your master file again by cat'ing it to the raw port. /dev/lp0
> 
> That is what I have been doing with the captured files because I thought 
> that 
> should be bypassing any 'processing' by CUPS or the like.
> 
>> 4. The linux bootparams include an 'lp=' setting but it does not look
>> too promising.
> 
> 
> 
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-- 

Thank You,
Ben Dailey
bdailey at bhmsd.k12.in.us
Asst. Technology Director
Bluffton-Harrison MSD
www.bhmsd.k12.in.us