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I run a rat-bastard setup for cutting vinyl, I use VinylMaster and a Summa T120 cutter. I do perf, and the Summa does it pretty well, even with the thicker ink. Since the blades Summa uses for their tangential cutters are pretty beefy, it does quite well. Even a drag blade should do it well...

Ahh, weed stickers, we do quite a bit of that style on the UCJV300, probably a bit slower than the 330 series, but they are well liked. Most of the people in that area don't mind the extra price to compensate for the added time. We just do single pass 1200*1200DPI on white media, clear (gloss)...

The 6042MKII is typically Primer/Clear, CMYK and then White/White on the one offset head. Channels 1/2 can also be LC/LM. Primer screws head 1, so I usually convert it to clear. Or if in bad shape, I will leave a bottle of flush in it and check to see if it recovers over time. If it was using...

Was the orange line giving issues before the parts were changed, or was the work done to try and fix it? Have you tried flushing the line?

I mean, they revived an eight-year-old dead thread to try and offer refurbishment of a printhead. Seems sketchy.

Check the line to see if the orange line is leaking air and go from there.

There seems to be a weird focus on printers having a 7-8 year lifespan, but it really depends on maintenance and operating conditions. New models come with their share of ups and downs, but sometimes folks just want to keep running the machines they're familiar with. When I do independent tech...

As someone who is actively getting certified across Mimaki stuff, there seems to be a general shortage of techs in my area at least. Dallas seems to be pretty well covered at least, and I imagine other big cities as well. Based on the thread here, I would try an EPL and printer firmware refresh...

Since when do printers have Vehicle Identification Numbers?

Reading safety data sheets helps on inks. Sometimes, solvents that are hazardous get changed over to more benign substances. Stuff like pigments, stabilizers, flow agents and so on are also important. Some inks jet at higher temperatures or voltages, or require different heads. Sure, most of the...

I hate solvent ink smells with a passion, but I find Mimaki ES3 to be tolerable.

Pretty much got it, a proper flushing is the way to go. Cleaning cartridges are usually the way to go, just purge the old ink until the lines look mostly clear. Then install ink, run a few more cycles and test to make sure all the channels are printing right. Might be a good idea to flush the...

Make sure to do a voltage calibration when adjusting the voltages, can't really guess on them or use parameters from other machines. With things degrading over the span of the print, I am thinking it might be something more mechanical. Air in head, ink starvation, head bleeding, etc. Check your...

In bulk, I get LH-100 for about $75/liter, LUS-170 for $90/liter, LUS-120 for $65/liter when I buy in bulk.

Yup, no real "wrong way" to do it between rebuild or replace. Do what works best for you.

You gotta remove the tube first, the barbed fittings are threaded Luer Lock style for 3mm ID. The pump needs to be disassembled with the 2 black screws holding the pump bodies together. Then you remove the 3 larger Philips screws to split the pump bodies from the sheet metal panel. If they don't...

Just plain jane barb fittings, tug off the old tubing, shove into new tubing. That said, replacing the pump is safest/easiest bet if not sure if your tubing is up to the task. Ink is expensive, and the mess sucks.

Pump modules are around $60, or can replace the tubing and rehuild if you want to go cheap. Make sure you use proper pump tubing for it and silicone grease.

Have a picture of the emulator and can you see what chip it is based on? Might be able to figure out how to program it from there. Seems the LFP guys don't have their engineer anymore, so lots of complaints on getting those to work as of late.

Swapping heads seems to be good for limited troubleshooting only. Since they are running different tuning/firing parameters, stuff gets wonky fast.