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DutaPrint is definitely a scam. A customer of mine used them and lost their money. The customer did a wire transfer and then DutaPrint went silent. Fortunately you are using PayPal. If you have placed an order, I would suggest you cancel the order IMMEDIATELY and go with a reputable company. Any...

You have a bad head. Either that whole section has been clogged up with something and apparently will not clear with everything you've done or it is damaged internally. In a previous post, I asked about the black smear at the top of the first test print. See attached... My suspicion is you had a...

You didn't say if you have a service manual, but it sounds like you do. Just in case, the attached is the section for replacing the mainboard. Read the threads player posted and follow the steps in the attached document and let us know.

Agree with everything you said! For being such a simple looking little part, it is actually somewhat complex.

Dampers perform 4 functions. Ink supply reservoir for the print head. The screen helps filter out any junk in the ink. They act as a "pump". There is spring plate behind the clear film diaphragm in some dampers or the round button on others which has a spring behind it. As the print head uses...

Jim, I'm based in Delray Beach. What kind of laminator and what is your issue? Jester, thanks for the referral...

Yes, the suppliers in Indonesia specialize in ghost heads! Be careful on eBay also. I've seen DX5 heads advertised as DX7 heads, crazy stuff... Legitimate heads start at $1650 & go up from there... There's a bit of confusion on the web about DX6 vs DX7 printheads. This from Solventinkjet.com...

This printer doesn't have sub tanks, but the algae buildup could certainly occur in refillable cartridges and dampers and get into the printhead. I don't see it being the cables from the mainboard to the head carriage, as that would mean all 3 cables have an issue. In addition, swapping out...

A word of advice on Mutoh maintenance stations. It is best to bite the bullet and buy an original Mutoh part. The maintenance station seems to be the weak link in Mutoh printers. The aftermarket stations are notorious for failing early.

That would be a good modification to make. Do you have a part number or such for the fuse holder?

Email sent...

No, as capacitors can give funny readings, based on which meter leads touch which side of the capacitor. You really need a special capacitor tester to check capacitors. The primary thing is all your transistors are reading the same. When they go out, they usually short out, and this would have...

It looks like the transistors are OK. You need to replace the fuses. Do you have someone who can do this? If not, that is a service I offer. Contact me through email about that. My suggestion at this point would be to repair the board and put in 2 new heads. There is no real way to test the...

It looks like the transistors are OK. You need to replace the fuses. Do you have someone who can do this? If not, that is a service I offer. Contact me through email about that. My suggestion at this point would be to repair the board and put in 2 new heads. There is no real way to test the...

OK, they are probably all good. If you touch your meter leads together does it go to zero? Let me know what this reading is please...

OK, so both fuses are blown. Next check the output transistors. See pic. If unsure what to do, call me...

See attached... look at arrow.

Set it to 200 in that same section of the meter control. But it looks like both fuses are blown. But I want to confirm with a new reading at 200.

I should have been more clear. Set it to 200 on the ohms scale.

How long ago did this issue start? Are you the only one using the printer? My experience has been that the type of pattern I'm seeing in the magenta is indicative of internal failure in that channel.