Thanks Alex and John for the suggestions. I will pass them along! :)

Andy

John Thornton wrote:
> Andy,
> 
> This link shows how to connect leds to the parallel port for testing.
> 
> http://www.epanorama.net/circuits/parallel_output.html
> 
> I took a printer cable and hacked one end off and used that when I was 
> testing my 
> parallel port. Then when I got my BOB with leds from CNC4PC testing was easy.
> 
> John
> 
> On 12 Aug 2008 at 9:24, Andrew Ayre wrote:
> 
>> Hi, Is there an easy way of testing the parallel port without having
>> an oscilloscope? A friend's controller board started smoking (Z axis
>> driver chip) and now none of the axis work. It's pretty easy to
>> replace chips, check solder joints, etc. but how to test the parallel
>> port?
>>
>> thanks, Andy
>>
>> -- 
>> Andy
>> PGP Key ID: 0xDC1B5864
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-- 
Andy
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