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[DTG Brand] DTG Viper 2

 
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Old April 21st, 2014 Apr 21, 2014 12:50:09 PM -   #16 (permalink)
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Default Re: DTG Viper 2

Just take a look at the pictures. Its not the shirts or the way we press. Our heat press is not one of these cheap crappy ones we spent a bit of money on it as we had informed ourself about this before. As you can see the fibres of the shirt after heat pressing are dead flat. On an inline the fibres never come up this bad its mainly on a two pass. The problem is consistent across a variety of makes of shirts and quality of them. We have tried FOTL, B&C and others and they all show the same problem as in the pictures! If our pre treat technique wasnt good then we wouldnt be getting even prints, which we do get! Its just the white spots and raised fibres AFTER printing.
 
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Old April 21st, 2014 Apr 21, 2014 12:55:04 PM -   #17 (permalink)
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Default Re: DTG Viper 2

And the one thing I keep repeating is that the company we bought the Viper from has got the same machine in the show room and when we work from that we get beautiful tees with no problems what so ever. And that is using everything the same as we do here. I can print an image here and its white spotted. I then take exactly the same shirt to that company and do the same again and get a 100% perfect print. Both machines are on the same settings, same ink, same pre treat, same heat press.
 
Old April 21st, 2014 Apr 21, 2014 1:45:45 PM -   #18 (permalink)
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Default Re: DTG Viper 2

So the problem is probably your preatreatment technique.

Search topics with a keyword "fibrilation". This is a common isse, 99% pretreatment related.

As I said before this is not a head problem, that I can assure you 100%.

Are you brushing you PT with a roller or brush before pressing it?
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Old April 21st, 2014 Apr 21, 2014 9:46:45 PM -   #19 (permalink)
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Default Re: DTG Viper 2

So how come the fibres are all flat before printing? And why does it not happen when I do shirts at that companies place? Don't want to sound rude. Just trying to figure out what's different
 
Old April 21st, 2014 Apr 21, 2014 10:41:49 PM -   #20 (permalink)
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Default Re: DTG Viper 2

Hiya, so after a discussion this morning we are now looking to buy a Wooster brush. Can someone tell me where to buy these in the UK and what the model is called? There are many to choose from like soft tip etc.

Any help appreciated as always.

Thanks again

Jess
 
Old April 29th, 2014 Apr 29, 2014 8:00:09 PM -   #21 (permalink)
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Default Re: DTG Viper 2

Can you tell me if your heat press is in the same room as the printer?
 
Old June 14th, 2014 Jun 14, 2014 8:29:21 AM -   #22 (permalink)
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Default Re: DTG Viper 2

Hi Jess, have you resolved your issues....??? I'm about to take delivery of a Viper 2, Im in the UK and assume that we're talking about the same company.
 
Old June 17th, 2014 Jun 17, 2014 5:01:51 AM -   #23 (permalink)
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Default Re: DTG Viper 2

Hi guy, i dont have a dtg printer and neither do i know much about them but reading from the forum and other fora i think you might want to revisit your training if you did one anyway
 
Old October 18th, 2014 Oct 18, 2014 11:07:18 AM -   #24 (permalink)
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Default Re: DTG Viper 2

did you ever resolve this? i'm having the same issue.
 
Old October 18th, 2014 Oct 18, 2014 11:33:00 AM -   #25 (permalink)
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Default Re: DTG Viper 2

may be because are there cleaner on your ink (head cleaner mix with ink)
 
Old October 18th, 2014 Oct 18, 2014 11:46:54 AM -   #26 (permalink)
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Default Re: DTG Viper 2

The issue is the way the pretreatment is being done. This is either the shirt quality, the amount you are putting down and /or the way you are pressing/drying the pretreatment. The pretreatment can look flat at first but many things can change that. If you shake the shirt before placing on the platen or if you run your hands over the shirt when position the shirt on the platen. The air flow in your shop or fan that is used on/in the printer. We have an old viper and there is/was a squirrel fan in the unit that use to blow air down on the shirt before running over the head. Not sure why it was there but we disconnected it and leave the top door open during printing to allow ink mist to leave. But all in all it took us about 4 months to get a process down for the shirts we use. Now our error rate is less than 2% on larger runs for any type of shirt we use. If I had to train our staff again, I personally would get good quality ring spun cotton shirts to first get the process down then move toward the thicker cotton shirts and adjust your process. When printing white it is all about the pretreatment process....On trick we use is to pretreat/press then let sit a while to dry more than repress 20 sec before placing on platen. Do not touch the printing area with your hands!

Hope this helps...
 
Old October 18th, 2014 Oct 18, 2014 3:04:14 PM -   #27 (permalink)
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Default Re: DTG Viper 2

thanks for the replies, i have taken in consideration all advice i could find on this site. I'm using gildan 2000s. I printed cotton heritage 4.5 last week with no problem whatsoever.

I was thinking about getting a speed treater anyway, would this help possible errors in your opinions?


as in cleaner do you mean what i clean my printer head with? i just use a swab should i be using a cleaning fluid?
 
Old October 18th, 2014 Oct 18, 2014 5:32:19 PM -   #28 (permalink)
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Default Re: DTG Viper 2

Glad to hear you had success. Doesn't it feel good to know it is not the machine you just drop so much cash on. But the understanding of a process. You have jumped the first hurdle. This hurdle was the biggest for us. Now it is time to fine tune the process to shave that extra 45 sec off the print time from getting the shirt out of the box to the finish pressing.

Personally an auto booth treater is a nice to have but not necessary. We ditched the Wagner sprayer I think in the first week we had our machine years ago...We use a hand spray bottle now. We measure the numbers of pulls it takes for the desired grams of pretreatment as a starting point.

As far as shirts it depends on the market. If you are truly doing short runs 1 - 24. I would not get to hung up on an extra 50 cents a shirt as so many folks do and go for a good brand that works well for you. Pick a supplier that is close by and can ship to your door within a day or two. This way you do not have to keep a large stock on hand if it is not needed. Especially when you are first starting out. I would also suggest you keep DTG parts on hands. The stuff that will really stop production in its tracks. We keep extra belts, coder strips, extra capping station, wiper blades, ink, chips, and pretreatment on hand. We even have an extra board. Keeping these supplies will cost you around the same as an auto booth treater. You really never know how good service is till you need it on your machine. I would also suggest you get to know the mechanic of your DTG. Do not be afraid of opening the case to see how things work.

I have all sorts of tips on cleaning the capping station and wiper blades etc. but that a different topic. I would have to do a video.
 
Old October 22nd, 2014 Oct 22, 2014 2:30:41 PM -   #29 (permalink)
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Default Re: DTG Viper 2

are you curing with a light press?
 
Old October 22nd, 2014 Oct 22, 2014 4:24:38 PM -   #30 (permalink)
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Default Re: DTG Viper 2

Yes i am now curing with a light press. What I did is start the shirt off with a misty water spray and brushing downward with the wooster brush and pressing lightly for 15 seconds before pretreat. I also took the paper off after pretreat press and pressed without paper for another 10 seconds and it was a vast improvement. not perfect yet but i think im getting there, im starting to realize that I can get good advice all day but untill i keep trying i wont get better. The best thing ive realized as a rookie is that every problem i come across is fixable.... thanks everybody!
 






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