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The firmware version I posted is off the Mimaki USA Techs website and may be incorrect for machines sold in other countries. You may need to contact you local dealer for the correct firmware. I think I am answering you question if I understood it right. You may call me if you want too. David...

Javier, What is happening that won't let you install it? If it is the 202 error turn the machine off, unplug it for five minutes and then turn it back on. Maybe a couple times. You can download the firmware update tool and firmware version 2.2 here: http://www.sigmowiggy.com/jv33/ ~David

Diagnosing test patterns is great information but please, never work on any electrical equipment while it is still plugged in. If you are concerned about static buy a grounding strap which goes around your wrist while the other end is grounded. They are only a couple dollars. I'm serious, this...

Check the cables again. If I was working on the machine I would put the original head and cable back in to see if it starts normally. If it does then try the old head with the new cables. This should tell you if it's head or cables. If you put the old cables and head back in and it won't start...

I'm afraid I need to strongly disagree with this statement. I am a printer tech with many years of experience and this is the leading cause of frying a mainboard. ALWAYS unplug the printer before working on any electrical components. You also risk electrocution. Swapping heads is not too...

Not genuine is probably not the best term. Epson makes the print head for Mimaki. The JV5 requires the Epson head licensed to Mimaki, the JV33 does not. The print head Epson sells to Mimaki is licensed to Mimaki which can be identified by green ribbon connectors and IH47V on the board. Not the...

So I was wrong in my previous post about having to down grade the firmware. Yes the 202 error started with version 3.2 (3.1 on the JV33bs), but all you have to do is reset the machine a couple times several minutes apart. If you need an inexpensive head for your JV33 this is the way to go...

Yes they are mine. The reason they are so cheap is they come from Epson and are compatible most of the time. The head rank values are 21 digit or 40 digit. Not the 24 used by Mimaki. Not sure about Mutoh or others. There is a compatibility issue with firmware version 3.2 on the JV33. The fix is...

Well it appears the 202 device construction error is a result of firmware version 3.2 and newer. The tech notice that comes with that v3.2 firmware says the fix is to restart the machine. If after 2 more starts the error doesn't go away it is the head ribbon cable. So one of the functions of the...

Any ideas where to get previous versions of firmware? Called Mimaki and I'm not authorized to get those files. Tech support told me to replace the ribbon cables. I think that was a canned response because when the old head is put back in the error goes away. Service manual is no help either...

Damn firmware. I did upgrade to the latest. That might be why. Now the question is can I upgrade it back to an earlier version?

I too am installing a DX5 head and getting the 202 error device construction error. I have bought these heads from the same source before and not had a problem before. Any ideas?

That should say "6 letter alphanumeric Pro series voltage into the 5 digit voltage" My Bad. ~David

I'm an Epson printer tech who has specialized in repairing Epson 3000's for several years now. I just joined this forum today as I'm looking to expand my services and I'm interested in learning what printers are using the 3000 heads (DX2?) as well as the newer DX4 & DX5 heads. I know this thread...

Is that the wrong head? Will the R2400 head work?