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The official lifetime of a DX7 head is 6 billion fires which isn't a very helpful number. In general we see DX7s last about 3 to 5 years using solvent ink. Dye sub seems to lower life expectancy to 18 months to 3 years. Of course I've seen heads last 10+ years and some fail before a year but in...

I don't work on the SG series but has anyone ever tried to manually flush the machine without service mode? I know it's possible on the older Rolands. Might be the only way to do it without a tech.

We've been seeing issues with mostly the black on the older ValueJets. We've switched most of those customers over to Bordeaux inks.

I don't know too much about the VG series but I've moved many printers in my time and a 2 hr trip won't hurt as long as you lock the head down. usually just need to run a cleaning cycle to pull any air out of the system and you're good to go.

Media comp shouldn't affect the heads differently. It simply adjusts how much media moves under the heads each pass so it should be virtually identical. That leads me to think it might be a head slant or maybe even carriage height issue. When you do the media comp, does it look the same on both...

I would just tape the valve open. That way you don't have to work on it with the power on. It's counter intuitive but to open the valve you push it so slapping a piece of tape on there will open it and keep it open.

Yes all the way from the cartridge to the damper. I usually manually drain the line by taking the ink cartridge out, opening the valve in the back of the cartridge holder, and then suck the ink out with a syringe from the damper side. Then I disconnect the line from where it connects to the ink...

It means fuse 10 on the I/O board is probably popped. It should say the rating of the fuse on the fuse itself. Pretty easy to replace but you would have to figure out what blew it in the first place if you don't want to just keep blowing fuses. It could have been a random fluke as well. In your...

Whenever I run into these ink flow issues on the older Mimakis I just change the ink line out. You can rip your hair out trying to find where the air is getting in or just replace the line and o-rings at each connection and be done with it.

It all just depends on what the issue is. If the station is not working properly, it simply won't pull ink down and you slowly lose nozzles. Sometimes one side of the pump is flowing but the other isn't in which case you can get random results after cleanings with nozzles coming and going...

It's most likely cross contamination. Usually it's caused by a failing maintenance station or damper but it can also be internal damage to the head. I'd start with changing the cap top and possibly the dampers especially if they are older than 2 years. You might as we ll flush the pump tubes...

I don't want to hijack this thread too much as I think you won't go wrong with the Epson or the Mimaki but good info above from an experienced Mimaki user. I just wanted to mention that you can run without the cleaning cartridge at all and it will still print. I have many customers who...

The JV150/300 series is not yet on the end of sale list but I wouldn't be surprised if it shows up there soon. We just sold 3 units this month so they definitely still have them in stock and I haven't received a memo on them yet. You can still use the SS21 inks and I believe it has 2 i1600 Epson...

Everything in the VJ1624 that touches ink is Epson designed so I think you will find working on the Epson, and the Mimaki for that matter, will be similar. Epson does tend to jam things into small spaces so they can be harder to work on in that regard. The thing you will find hardest to find is...

Either there is a bad air leak in the system, your cartridges are not flagging empty when they are actually empty, and/or the maintenance station is not working properly. Do you see air bubbles anywhere in the ink lines above the dampers?

I have a customer who sent his vinyl to a lab to be tested and certified for safe use with children and they told him he couldn't use calendared vinyl as the phthalate content was too high. He only uses cast for that reason. But I agree with balstestrat. The inks in your SG printer are much more...

You can get a 24" Cricut or Cameo at Target these days with software for a few hundred bucks. The customer has become the competition when it comes to consumer style wall decals and t-shirts.

As a space nerd I'm jealous.

Yes, I would start with the dampers for sure. They are responsible for keeping ink flowing to the head while printing.

Good call on the lam. Without it you'll get 3 years on the ink but probably less if they get regular car washes.