Digital BW, The Print

> 
> I found that my CIS lasted about a year and a half before the black channel
> quit.  I had poor black channel performance and tried many ways to clear
> the "clog", including injecting the head directly with Windex.   When I got
> a good test pattern, I ran a black-only test image at high speed and
> watched as the ink lay-down quickly went from total black to just a few
> black lines on the page.  I deduced from this that it was the CIS that was
> starving the black head for ink, not a clogged head. I bought a new CIS,
> installed it and I'm printing normally again.  Others have commented that
> the black channel (not the head) suffers from clogging due to evaporation
> of the solvent through the Nalgene tubing.
> 
> regards,
> 
> Peter
> 
> 
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>Peter,
>
>Same symptoms here about 6 months ago.  Went to NMC, they advised new
>carts, under warantee :-), replaced in 10 minutes, working ever
>since...Knock on wood.  Seems the filters in the carts get clogged.
>
>Phil Morse

> 
> Which ink set was this Phil? After how many months/years of use? Thanks.
> 
> Sam McCandless          samcc@...
> 
> >Peter,
> >
> >Same symptoms here about 6 months ago.  Went to NMC, they advised new
> >carts, under warantee :-), replaced in 10 minutes, working ever
> >since...Knock on wood.  Seems the filters in the carts get clogged.
> >
> >Phil Morse
> 
> 
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> 
> Hey Phil...
> 
> At 09:37 AM 10/26/2002, you wrote:
> 
> >Generations4, NMC, 1160, moderate use? for just less than a year (still
> >in warrantee).  Printing 36" panos black would quit halfway through
> >second.
> 
> How are you printing 36" panos?  Roll paper?  EAM?
> 
> regards,
> 
> Peter
> 
> 
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> 
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