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The problem is that you got 4 color printer. Any 4 color printer prints grainy no matter wide or narrow, aqueous or solvent. I guess your small Epson has 6 colors. I have small 4 color Epson which I use only for office use. It's not comparable quality to my previous Stylus 1390. My HP D5800...

When you print higher resolution -lower speed (I guess you now print at 1440x720) it produce smallest droplets ie fixed 4 or 7 picoliters, no variable dots. If you have a loop you could see the dot sizes at the edges of the print. When you print lower resolution-higher speed 720x360 it produce...

sorry for my poor english. here is the picture

self install. In my country no any Roland tech. I bought 2 RE printers from China, one with eco sol ink, another with dye ink. If I call tech from China, I have to bear all his travel expences including visa fee plus 2000 RMB for service. Usually I bought the heads from Sign-in-China.com. Twice...

Quick but risky test is swapping the lines. I don't know 6 color configuration, but black is on the 2nd or 3rd pair of ink lines of 4. Close the choke manually, then plug 3rd pair in 2nd and 2nd into 3rd. Test after power cleaning, your test pattern will be changed, but you can see the status of...

You're right. Now only one channel is gone, you can't use other healthy channels. If possible, you could looking for clogged head for test, but not this channel. Replace and test. If black test is normal then 100% printhead cause. If black is same as previous then dig deep. According to your...

Exactly same

Perform INK REFRESH once. If it doesn't help, you definetely need to replace the printhead. DX7 is the worst printhead in Epson family.

It's time to replace printhead.

1. Norway is already superduper expensive place. lol. 2. Cheap is also has numbers, what's your budget? 3. There is no chinese printer which meet your requirement. 4. Roland SG 300 is more suitable for you imho.

sorry hit the button twice

Did you check the encoder disk? If you print a lot, you might need to replace the scan motor. I'm going to part out RA 640, same as VS but print only, used 6 months since new (used dye ink). No printhead and need to replace mainboard. Sell everything except these 2 and the body panel which I'm...

Your requirement seems to bit tough. You might sacrifice at least one of them. If I were you, sub your jobs other places in the beginning even there is no profit. Then you can see the difference of each printer, soon knows how fast they are, what printers they have. For example, what is...

Привет, коллега.

In very rough estimation, if you print over 100 sqf/h you need a blower, 200 sqf/h necessary to have infra-red dryer/blower. More than that you might need independent take-up reel stand placed some distance (3-4 meters) away from your printer. Where I live, banners printed only on true solvent...

Get sg 540. It has 2 Ricoh GH2220 printheads, 500 US$ each, lifespan 3 times longer than DX7 which is mounted on VS 540. DX7 costs 1800US$ and in one word it's scam.

To get both of them each. Your sales will increase, offering more products, less downtime, less waste even a tech rep shows up much faster (just tell them your printer is not working your competitor's fine). If you buy Mutoh only, the life continues as is, nothing happens. If you buy latex only...

The price tells everything. Previous owner knew that is not worth to fix the printer. It's only good for someone looking for donor printer which has plenty of useful parts such as mainboard, power unit, x and y motors etc. worth more than 1000 bucks. If you want to rebuilt this printer then only...

Look at this for an alternative choice ColorPainter Printers: The Ultimate Wraps Printers - YouTube

You'd better looking for VS 640, 540, 300 service note. More chance to get a copy and it can be used for RE640 which is 4 color print only version of VS640. I sold mine together with printed service note of VS640, it covers all VS models.