Question about Epson Stylus Pro 4000-PS InkJet Printer

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I have an Epson 4000 which has a clogged nozzle

I have an Epson 4000 which has had a very stubborn clogged nozzle for months now . It is the magenta nozzle and I have tried many different type of fixes and cleanings and it is still clogged. What can I do?This is one of the original early 4000's(5yrs old) and I have produced many beautiful prints with it.
I live in Denver and have tried keeping the humidity up but that hasn't worked either

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  • gardunos Mar 21, 2009

    same printer same problem with the darn same nozzle!

    what is up epson?

  • Anonymous Mar 26, 2009

    Same problem, same cartridge

  • Anonymous Apr 03, 2009

    same problem, light magenta.  this is sooooo frustrating

  • Anonymous May 18, 2009

    same problem with the magenta ink ...has anyone found a solution???



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I had the same problem with an epson 4450 pro. I tried almost anything, wasted litres of precius ink. The problem was with the vacuum pump (the one used while cleaning - it removes waste ink from caping station) - one of it's tubes was broken. Replaced the whole assembly unit easily in less than one hour. I ordered the part directly from chinese manufacturer/vendor (125 USD, including DHL delivery).
It's difficult to diagnose but possible. For me it started with constant clogging especially of black and cyan - even every 5-10 A3 pages. After a longer pause in working the printer started to print yellow with magenta and cyan with black mixture, and after two pages it was printing clearly again. If you take out the right side cover to see the pump's outlet tubes there should be dirty ink flowing in both of them during cleaning/power cleaning. For me only one was transporting the waste ink. This was the cause of all my headaches when it comes to this printer, luckily for couple months now it's fine. Hope this helps someone.

Posted on Dec 28, 2012

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I've cleaned the capping station as recommended by R A smart my supplier of sawgrass ArTainium inks but the nozzles are still clogged, this started a few days ago when the yellow started showing showing magenta in it's print out.
I'm at a loss as to what to do next as the print outs are now looking worse.

Posted on Mar 17, 2011

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I have an Epson 4000 which I started using new in Sept 2004 and my magenta is clogged too. I've gone through 2 maintenance tanks trying to clear it, (and LOTS of ink), but the magenta is still blocked. I even tried this: trick but it didn't seem to work. I hope you have better luck.

Posted on Feb 08, 2010

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  • kendraart Feb 08, 2010

    I am now going to try a similar solution called puddle cleaning where you leave the print heads to soak for an hour or overnight. I hope it works. It is posted here: Good luck!

  • kendraart Mar 20, 2010

    It is now over a month later and my magenta is STILL blocked! I have even soaked the printhead in Fantastik for 3 days and left a bowl of water in the paper tray to increase humidity. It didn't work. Now I have gone through over $1000 worth of ink and maintenance tanks (I'm on my 3rd maintenance tank change since the magenta stopped working). Today I even downloaded the Printer Service Utility 2 from Epson and downloaded and installed a newer version of the Firmware which is supposed to help with the cleaning process, but my magenta is still not coming out at all.

    If anyone has a solution for this, please let me know!


  • kaila0228 Dec 13, 2010

    It looks a lot of users has same issue specifically on magenta.
    We better bring this case to the court. Epson just sell the nice looking printer over the world but don't care after all. I have same trouble on magenta. Printer was sent to local epson authorized dealer for repair and each time I needed to spend more than $500.00. It's ridiculous. Epson sucks!!!!


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