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Digital BW, The Print

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Re: [Digital BW] MIS spongeless carts' poppet valves problem?

2006-05-21 by toliwel@aol.com

Tom, I hope someone has a solution for this problem, as I have it too.

Same circumstances.  Had a 1280 for a year and it worked well with UT2 inks.  
Then I switched to the MIS spongeless carts, and it worked well for a few 
months.  Then the light magenta nozzles would clog.  Switch to Epson Carts, and I 
could get them working again.  Back to UT2 and the LM nozzles would clog.  
Eventually, I couldn't get them to work at all, so I bought a new 1280.  Worked 
for a while, then the same problem with the LM nozzles.  Had Epson replace it. 
 After a week or so, the problem came back with the replacement!  Same 
problem with 3 1280s!

Now I can consistently get all nozzels working with my tinted cleaning fluid 
(also in a MIS spongeless cart), but as soon as I put the UT2 in spongeless 
carts in, most of the LM nozzles disappear.

At first I thought the problem could be the spongeless carts are flooding the 
head circuit boards in the same area to short out the LM circuitry.  I also 
thought that my 2 year old bottle of UT2 LM might thickening up, but I put some 
new ink in to no avail.  I also suspect that it could be a manufacturing 
defect with the spongeless carts, like a leaking LM seal due to misalignment of 
the port, but this wouldn't explain why the spongeless cleaning cart works 
consistently.

I am now looking for some sponge carts to try to see if the spongeless ones 
are the problem.  Does anyone know where I can get them?

Bout ready to toss the 1280s and get something else.

Tom Wells

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