Screen Printing for College Drop Outs (like me)
So the reason I got into screen printing was that I thought girls would dig it if I said I designed clothing but it turns out I was totally wrong.

It's hard to meet the opposite sex and look cool when you've got hard to remove multicolored plastisol ink splotches all over your body that make you look like you have some sort of disease.

So here's a picture heavy basic tutorial on how I personally coat screens, burn screens, and print shirts. If you have any questions about anything let me know and I'll try to squeeze you in between cartoons and napping.

I've been printing for two or three years I don't remember anymore. The fumes from the ink remover have melted my brain. I haven't posted in here in a very long time so I thought I would make up for it with a giant entry.
This is one of my old shirts that I had to reprint because someone ordered it. It's Buddha rising out of a cocoon. Enjoy.
First I'll show you my machine and the chemicals I use:

Machine: Printa 770 - 1) Emulsion Remover 2) Ink Remover 3) Ink Thinner 4) Liquid Adhesive 5) Haze Remover 6) Mesh Degreaser
HOW TO COAT A SCREEN (Part 1 of 3)

1) There are 3 things you need to coat a screen.
a) Screen - Know the mesh count of your screen. A higher mesh count picks up more detail in an image but does not let as much ink through when you print. (I use a 160 mesh count screen)
b) Emulsion - This is a photosensitive thick liquid used to coat a screen to create a stencil. (I use Ulano QTX)
c) Scoop - This is a metal trough used to apply the emulsion on a screen evenly.

2) Fill your Scoop with Emulsion.

3) Tilt your Scoop so the Emulsion touches the screen.

4) Pull the Scoop up so you coat the screen with emulsion. Scrape off excess emulsion back into the scoop.

5) Turn the screen over to the other side.

6) Coat the other side of the screen the same exact way.

7) Scrape the excess emulsion in the Scoop into the Emulsion.

8) Find a dark place to dry your screen where no light can get in.
I like to dry my screens for at least half an hour but it will vary depending on the humidity. To be safe I would say at least an hour. The machine I use has a cabinet for screens and uses a fan to dry them so it dries quicker.
HOW TO BURN A SCREEN (Part 2 of 3)

1) Print out your image on Transparency Paper.
The print on the Transparency will be used to block light from hitting the emulsion on the screen. You can also use Vellum Paper but I like to use clear ones because I'm used to them. (I use Staples brand Transparency Paper. It's about $60 for 100 sheets)

2) Tape your image on your exposure unit or light box.

3) Place your emulsion coated screen on top of the Transparency image then cover the screen with something so light doesn't bend around it. Use a weight to hold it down flat.
The time you leave it on the light box varies depending on image detail and your set up. I usually leave mine for 2:00 minutes because I use UV lights. It can take up to 30 minutes for a regular bulb. When light hits the emulsion it creates a chemical effect and "hardens."

4) Wash the screen out in a dark area with a hose and a nozzle.
The parts of the emulsion coated screen that were blocked by the ink on the Transparency Paper wash out because the light didn't harden it. If you burned the screen correctly the image should wash out in a few seconds. If you've done it incorrectly the emulsion will harden and the image won't wash out.
(I use a 25 gallon plastic trash can so I can wash screens in my garage during the day so I don't have to do it out in the sun light. I also like to use the flat setting on the nozzle to wash out the screen.)

5) Tada! Now you've got a stencil that's ready to be prepped and printed on.
HOW TO PRINT A SHIRT (Part 3 of 3)

1) Position your screen and lock it down on your machine.

2) Use tape to mask the perimeter of your image.
Don't use cheap tape if you plan to reuse your screen. It will ruin it.

3) Put a glob of ink on your screen and place your squeegee behind it.

4) Center your shirt on your Platen.
You might want to use some sort of liquid adhesive to hold your shirts down. I only it once in a while for multicolored shirts.

5) Set your screen back down on top of your shirt and pull the squeegee towards you.
I like to make two passes with the squeegee. One to lay a coat of ink and another to push it through.

6) If you've done it right then your image should have a clear detailed image on your shirt.

7) "Cure" the ink on the shirt by heating it.
The time will vary depending on what you're using to dry your shirts for. I heat my shirts for 40 seconds. If you want to print a multicolored shirt you'll have to repeat all the processes of coating a screen, burning a screen, and printing an image for each additional color.

Whew. That was a ton of work. If you have any questions I'll be happy to answer them.
If you want to help me out you can buy some shirts. I need a new laptop. My computer sounds like it's about to explode.
All shirts are $20 with Free Shipping. They're printed on American Apparel shirts so they're a really soft fabric and a nice cut. I also draw, design, and print everything myself. Everything is limited print.
I'm going to go eat a whole pizza now.
Mark
January 7 2006, 23:17:15 UTC 6 years ago
do you know a good site to buy emulsion from? none of the stores where I live sell it.
January 7 2006, 23:32:33 UTC 6 years ago
http://www.dickblick.com/zz433/15/
He sells it for $36 a quart (32oz) I buy mine at the shop for around $25
I prefer to use Ulano QTX because it has a long shelf life, it's fast exposing, and it's a pretty pink color.
Hope that helps a bit.
6 years ago
January 7 2006, 23:29:23 UTC 6 years ago
my room mate and i dont usually even
use emulsion, we use stencils cut out
of 30x30 inches of plastic, then pull
the screen over that in our bathroom
you have quite the setup
great tutorial by the way
did you eat that entire pizza?
January 7 2006, 23:36:43 UTC 6 years ago
Wow, that's awesome. I don't trust myself with a knife enough to try that. I think you can get a richer print with your way because you can hold a lot more ink in the thickness of the plastic. You could probably use some sort of puffy or glitter ink too and get some cool effects.
Thanks man.
Mark
6 years ago
January 7 2006, 23:37:25 UTC 6 years ago
Oh, and do always print on the part of the shirt in the picture, or can you customize stuff (like putting it in the center of the shirt instead of the shoulder)?
January 7 2006, 23:41:47 UTC 6 years ago
This shit is genius!
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January 7 2006, 23:39:06 UTC 6 years ago
i wish i had a wicked machine like that!
January 7 2006, 23:52:14 UTC 6 years ago
You can totally do the exact same printing on lesser equipment but I don't have to hassle so much with on mine :)
Thank you!
January 8 2006, 00:43:53 UTC 6 years ago
How long have you had your business? Is it something that you are going to do long term? I'm intrigued.
January 8 2006, 08:50:22 UTC 6 years ago
I've been printing shirts for about two and a half years doing custom jobs but I've only started to sell my own designs recently. I've sold in shops before and have been thinking about expanding but I'm worried I can't handle all the work by myself.
I'm slowly trying to automate my work so I can do high volume stuff to fill big orders. Hopefully It'll be long term. It all depends if I don't go crazy and end up living under a freeway.
Mark :)
January 8 2006, 09:45:52 UTC 6 years ago
January 8 2006, 12:48:26 UTC 6 years ago
I had a ton of artwork so I kind of just hopped into screen printing and decided to get the best one I could afford. It's really fun to do. I've also had experience with working on low tech equipment too if you need any help on that :)
January 8 2006, 11:11:53 UTC 6 years ago
- is your gear expandable to multiple stations? even if it isn't, it's killer.
- how are you trying to automate your work (as mentioned in above comment)?
- if you don't mind, how do you get your blanks? do you know/work for someone with a wholesaler ID, or do you have one yourself, or...?
also! thanks for the myspace friending (seibei). I'm eager to see what you do next, my man.
January 8 2006, 12:34:13 UTC 6 years ago
- Heh, well I probably meant that I was going to automate my work habits more than my equipment. I need to get into a robot state of mind when I print so I don't make stupid mistakes like I always do. It's demoralizing when you screw up an expensive shirt. I just need everything to run like clockwork.
- I get my blanks from American Apparel. www.americanapparel.net
They're really high quality shirts. I just cut the tags off and print my own. I do have a business license and have a wholesale ID. Was kind of confusing to get but I think everything is ok. I don't hear sirens and no one has arrested me yet.
Thank you!
January 8 2006, 11:47:29 UTC 6 years ago
what kind of emulsion do you use? i have never been able to get such great detail. i think the emulsion at my school sucks but my professor denies it and says it's all my fault. also is the emulsion able to be used with waterbased inks?
January 8 2006, 12:37:34 UTC 6 years ago
Also, detail is based on the mesh count of your screen. 60 mesh count won't pick up much detail but will let a lot of ink through the mesh. 200 mesh count will be very detailed but you can't use certain thick inks like shimmer or glitter. So find out what mesh screen you're using.
Yes, emulsion is used for waterbased inks.
Your emulsion should be fine but I'm betting it's the mesh count for your screen. I always buy 160 and it works great.
January 8 2006, 16:53:05 UTC 6 years ago
i've been screenprinting for quite some time now but i've been to broke to buy my own stuff. but perhaps this would be worth it because all my work is line work. i couldn't even tell you what emulsion we use. i will say it sucks dick.
thanks.
January 8 2006, 21:52:15 UTC 6 years ago
First, I need to get myself a scoop. While I can guarantee you have much more practice than I at this, the scoop looks amazing at getting a nice even coat of emulsion on the screen - much more even than placing a bit on with a spoon and then spreading with a fiberglass scraper (wide one, does ok but not even coating). WOW!
Secondly, I like the little rack you have there for drying the screens. My mom was getting kind of upset that I took over the hall closet - fortunately I was working on silk screening for her so.... it worked out. :p
Next, does the time it takes for the emulsion to wash out after burning the image also depend on the force of the sprayer? I'm using out little sink sprayer and at first, the image appears much lighter than the hardened emulsion, but then eventually washes out - I'm afraid to blast out some of the hardened stuff, though I know its likely not going to happen. Again, thats a sweet little box for burning the image. I'm seeing a DIY project for myself coming up. (Thanks for the inspiration).
Again, this setup is blowing my mind. I like the "platten" for holding the shirts.
So thats enough of my oozing jealousy and awe at your setup. Thanks for the tutorial. Its given me some ideas for ways to improve my current setup - and potentially arive at higher quality - and eventually more durable - prints and screens. Thanks very much.
January 8 2006, 22:49:05 UTC 6 years ago
If you've burned the screen correctly you won't have to worry about washing out the hardened emulsion. I just use a garden hose with a $6 nozzle on a flat setting and it washes out in seconds. I've used a sink sprayer before and it works fine too.
I'd love to see some pictures when you improve your set up. Good luck!
January 14 2006, 17:16:26 UTC 6 years ago
for an absolute beginner would you say this would be a good investment?
January 15 2006, 21:12:05 UTC 6 years ago
Yes. I just looked at that's pretty much the standard in starter kits. I've talked to people and they say it works great. It's got detailed instructions and everything you need to print your shirts.
:)
If you have any other questions let me know!
Mark
January 18 2006, 09:56:47 UTC 6 years ago
What do you use to clean off your plastisol inks? I havent touched my screens for months because the first time I used plastisol it was an absolute mess, and I had to use like a quart of mineral spirits to get it all off.
What kind of masking tape do you use?
How did you go about getting your business license and tax ID number for American Apparel? Doesnt it cost alot of money?
Anonymous
September 1 2006, 16:44:00 UTC 5 years ago
Anonymous
January 28 2006, 08:20:35 UTC 6 years ago
what brand of plastisol inks
dude! your tutorial is awesome! just wanna ask what brand of plastisol inks are you using...extra_rice
March 5 2006, 21:45:55 UTC 6 years ago
bravo!
probally the best tutorial i've seen..good job, i like your designs btw. do you make them yourself?March 26 2006, 11:55:45 UTC 6 years ago
I guess you're using plastisol, but did you ever use water based inks? I've been trying two different types, one is an acrylic based one (which tends to puff up and flake off in the wash), and a more opaque union ink one (mixed with catalyst) which tends to do better in the wash, but cracks more often....any ideas on how I can get better results?
Have you ever considered selling your stuff to the UK? honestly, it would do really well. anyway, good luck :)
Anonymous
June 5 2006, 20:08:39 UTC 5 years ago
Rulin'
Brilliant Mark! I will send others to this link when I get emails about starting up in the screenprinting business...And I don't know what you're talking about having trouble meeting ladies-- the photos of the printing equipment you own made me drool at least.
September 6 2006, 10:00:36 UTC 5 years ago
October 28 2006, 01:20:39 UTC 5 years ago