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If you look at the mesh in the filter through a loupe, the OEM ones look like a sheet of metal with perfect microscopic circles poked through where the after market ones will look more like fabric. Also the after market ones tend to have sticky valves so they don't open properly when needed...

The official name is, "Serge Mist Filter". I usually just call it a flushing or spittoon sponge.

Those after market dampers can be problematic. We have the OEM ones for $39.95. I never flush a head before installing it and I have been installing head for over 10 years. Dampers should be about half full.

We have them in stock here in the US and give free tech support. Here's a link!

Have you run any cleaning cycles? Is ink flowing when you do a cleaning cycle?

On that machine you should be able to just take the cartridge out and put it back in which will reset the ink level to 100%. That being said, if your ink level sensor is out of wack it could just be triggering early. Take a flashlight and look inside each cartridge holder. See if anything looks...

It's probably a bad damper. I would start there and change the o-rings out as well. Also, the maintenance station doesn't have any adjustments. If the screws all fit when you installed it, it should be in the proper position. You do want to make sure the head is in low mode when running...

It's definitely an electrical issue but it may not be the head. It's best to get a tech out as it's hard to diagnose electrical issues without being there. Give James McGill a call in Paducah - 270 243-0599

I use a soft tube that is used in the pumps. Mostly you just want it to clean if you aren't using the damper. Also be careful when pushing the solution through. The tube can pop off and it tends to go straight into your eye! I learned the hard way.

Yeah the official way is through the damper but honestly I always just hook the syringe directly up to the manifold. Push lightly until you see the solution bubbling out and then push a little harder and you should see solution spray out of each nozzle clearly. Just know that there is always a...

When running a cleaning cycle you should see the dampers crush and a lot of the time you can actually hear it if it's quite in the room. Also, the pump can still make noise and be bad. The fact that solution flowed through it is a good sign that it's working. I would probably change the cap top...

Usually it's a bad cable or a cable is crooked. Also check for any liquid around the area as ink tends to fly through the air on that machine and if the filter is bad, it can get into the boards. As far as the F3 fuse goes, it looks like it connects to the IO board which would be the head...

Check all of the cables and make sure they are plugged in straight. Something is blowing the F3 fuse. You should be able to just change the fuse and not the whole board though.

Here is Mimaki's profile page for that model. You should be able to find it there.

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We have them in stock here in the US. Comes with the dampers and free live tech support and troubleshooting available as well.

Exactly. Older dampers don't have the valve and simply pull back on the system enough keep the balance but because of issues related to that, most new dampers do have the valve or there is an external one added in the machine design. It is a delicate balance which is why bad dampers tend to...

Not gravity fed but negative pressure. Think of it like dipping a straw in a cup of water, blocking the top opening with your finger, and then lifting it out of the water. The water stays in the straw. The pump pulls the ink down through the dampers and the head. Once it hits the damper, it's...

The ink cartridges are filled with ink and then any air is sucked out. That way when you install a new cartridge there are no air bubbles introduced but it also means the cartridge will not naturally fill the ink lines. A rubber seal called a cap top seals up with the bottom of the head and a...

Which type of crop marks are you using? Type 2 the laser should be outside the L. I believe that model does have a sensor sensitivity setting in service mode but I haven't worked on one in a long time. I would see if you can get a service manual for it.