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Discussion Starter · #1 ·
I have a 4/4 Riley with Micro. When I get a registration spot on it won't stay that way. Everything's very tight screens are in good shape etc. I can't figure it out. Any help would be awesome.
 

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When you have finished registration try turning the knobs on each side of the clamp about a quarter turn until it's tightened. Tightening one side all the way before the other can move the screen.

As far as after you've been printing a while many things can happen. Any excessive jarring CAN move screen in the clamp. Make sure the screen is tight in the clamp. Be smooth with your technique. I found when I got in "rhythm" on a job I would rotate too fast and the repetitive jarring of stopping the next screen would eventually throw off the registration. You want to go as fast as possible but nothing wastes time more than having to stop and dial in your registration again. So I had to learn to slow down my rotation just a bit.

The only other thing I can think of is making sure your screen is completely "seated" on the stop bolt and that the nylon bolts are dialed in to make sure your screen isn't moving a little bit. (Of course this would only cause registration problems on one platen).

And sometimes, it just happens.

Hope this helps!


Mitchell - Star Designs
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The nylon bolt are a good thing to check. Not only for being too loose, but too tight will be a issue.

If you are just starting printing, a consistent pressure, stoke, angle, speed is needed especially with static screens, low tension screens can be a problem if you got your used. I personally can't print with statics at 20n due to skewing the image while printing. What a difference using rollers at 40n.
 

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Also check to see if it happens on only one pallet or all. If it's only one, look for something loose. Same with the printheads. Do they all do it, or only one? Label each head and station to see if you can isolate it.
 

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I've ran into a similar problem with my Riley 6/4. Turns out my shirt boards were slightly warped. Each one was warped a bit differently. After I got my screens registered, The first print was with the board I set my registration with, and it was right on, and the next 3 were off. New boards and everything was better. I just ordered aluminum boards so I don't run into this problem again.

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Discussion Starter · #12 ·
I changed all my plattens and nylon bolts and prints beautiful now. Kinda weird seeing the plattens were pretty new n the bolts really weren't wore out but I figured just replace it all and see what happens.
 
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