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Either the head is dragging on something with ink on it, ink is built up on the bottom of the head, or the head may be damaged internally. I would check the bottom of the head first to make sure you don't have a ton of ink building up which makes little inkcicles that can drag on the media but...

When you take the cap top off it will expose the tubes connected to it. They are just friction fit so you just pull the tubes off the cap top. Try to grab as close to the cap top as possible as to not stretch the tubes too far. Then I use a tapered syringe with cleaning solution, stick it in the...

I've heard they all turn black.

You could probably do it yourself. I'd contact Mimaki and let them know you're far away from any tech. They might just give you the manual.

There is no official procedure because technically you're not supposed to switch. Normally you just need to flush the machine and then change system parameter number 32 to whatever ink set you want to use but unfortunately it's more complicated than that on the CJV150. Most CJV150s don't support...

I'm not sure what the metal for the nozzle plate is but I do know it has a Teflon coating.

I actually have used ChatGPT and it was pretty interesting. I asked it how to fix a Mimaki printhead that has clogged nozzles and gave a nonsense answer. My job is still safe for now! If you ask it very broad questions it does really well. The coolest feature was I could describe a Python script...

I read something the other day that is related to this. It said, " AI isn't going to take your job; the kid who knows how to use it will."

Yeah that sounds right. I was looking at the wrong type of ink.

Bordeaux sells through dealers so that's probably why they don't have the price on there but I agree, giving people an idea about the cost would be helpful!

Bordeaux has an aftermarket ink for the LUS170s. I don't have any customers using it yet but I'm pretty sure it's because most people are still under warranty so they haven't made the switch yet.

Hey the last guy lasted about 3 - 4 years. Not bad!

The official spec sheet says the metallic have a 5 year outdoor life but can be shorter depending on how vertical the surface is. If you're using any of the "brilliant" colors, they only get 3 years. However, the spec sheet does call it all cast with no mention of calendared.

The dampers can have ink in them and the head might still not be 100% filled. Since you are getting some nozzles to print, you don't have an electrical issue. How did you initially fill the system after the head was installed? Did you suck ink into the damper with a syringe or did you run an ink...

Looks like either you need a new cap top and/or the line is clogged/partially clogged from the cap top through the pump. Some nozzles are firing so you didn't pop a fuse. Ink just isn't flowing enough to fill the head completely. On an SP300 you should be able to fill the system with 1 maybe 2...

Unfortunately I don't know of anyone at the moment. They definitely exist though. I've also had minor repairs such as fixing a USB port etc. done at music equipment repair shops before. But maybe someone else on signs101 has someone they use.

Unplug the printer and wait 15 minutes before you do anything. That will avoid popping fuses etc. Good luck!

Whenever an entire head stops firing it's pretty much always the fuse, transistors, or the head itself. Since the head is known to fire with the black and cyan signal, we can rule out the head. Make sure you test the fuse outside of the machine. Sometimes when they are installed they can give...

If it's not something personal in his life, in my experience, unhappy employees tend to be upset about bad pay, bad boss, or bad co-worker in that order. A lot of the time the best employee ends up getting saddled with all of the responsibilities because they are reliable but if they don't get...

Haha, I wouldn't mind trying a real Australian beer that's for sure! I had an Australian roommate in college and he went on and on about how Fosters is NOT Australian for beer lol.