Question about Epson ACULASER CX11NF All-In-One Printer

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Worn K Dev Unit - can I get service for the CX11NF in the Greater Vancouver BC area?

Printer is out of warranty, and a call to Epson revealed that apparently the nearest Epson service centre to Vancouver BC for the CX11NF is in Québec?!?!?! I assked if they could give me any other contacts, even one in the States, but to no avail. So far there are no print quality issues, but we can't be without the printer so I'd love to solve this before it DOES become a big problem.

Please, can anybody point me in the direction of someone who can service this printer, or shed some light on what the message "Worn K Dev Unit" means? Google seems to be failing me here. I did read a thread regarding the C1100N, but am unsure if that model is similar enough that I can apply that advice.

Thank-you in advance for any help at all!

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  • Imagetech May 13, 2008

    How do I reset the dev unit. Epson has supplied one to me. But refuse to give me the reset procedure.

  • Imagetech May 11, 2010

    Thanks for all your help. Turns out we did nothing wrong the reset we initially used was the correct one. The client dug out a two year warranty. We called Epson for them and arranged a warranty agent to go out to them. The problem was deeper. I believe in the end Epson replaced the whole developer assembly.

  • Imagetech May 11, 2010

    Thanks Inky
    If the problem was that easy I wouldnt have asked for help. I have been doing this for 15 years. Already fitted dev unit and reset the machine through the user reset. The machine reset, but as soon as the customer turned the MFC off and on the worn dev unit sign came back. Thanks for the manual link, all I need though is how to get into the tech service mode to see if I can reset the machine from there.

    Kind regards Imagetech



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If Epson have provided you with a new Dev unit ( black plastic thing with a roller and black powder in it), get a service manual so you can install it. It is VERY straight forward and if you can use a screw driver and have opposable thumbs, you should be able to do it about 20 minutes.

Try this place for a manual

Posted on May 26, 2008

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I understand that Quebec may far from where you're located at having a service manual is practical but risky. It may do damage than make better. What I'm try to say is you choose to use the service manual or send it for service. Nothing can replace the hand of an expert and experience in handling such a valuable piece.

Posted on Jun 04, 2008


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