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Printing Layer Error : HELP PLZ!

Posted by Janski

Janski

Printing Layer Error : HELP PLZ!
April 26, 2014 12:35PM

Registered: 12 years ago
Posts: 96

So this happened:

Finally after getting the extruder to grip properly, the prints are doing this: along 2nd or 3rd layer the print unexpectedly slides over and continues in the incorrect position.

Please advise if anyone has encountered this issue smiling smiley

Sincerely,

Janski

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Janski

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 12:45PM

Registered: 12 years ago
Posts: 96

It basically moves the next layer up Y direction a few steps and continues to print proportionally to the move.

HELP!

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Janski

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 02:01PM

Registered: 12 years ago
Posts: 96

I have tightened the belts on Y axis and other axis. checked the 2560 board all looks find.

anyone think it is the driver?

too fast in Marlin?

Please advise

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MrDoctorDIV

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 02:17PM

Registered: 12 years ago
Posts: 790

Do you know how to adjust the current on your stepper drivers?
Sounds like they're skipping steps, a common and typically easily fixable issue. Turn the pots about 1/16 turn, clockwise, at a time until skipping stops.

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Janski

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 02:53PM

Registered: 12 years ago
Posts: 96

This process is not familiar to me. Can you explain? What are pots and 1/16turn is it the screw on the driver for Y axis? Turn left or right?

Thanks smiling smiley

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Janski

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 04:12PM

Registered: 12 years ago
Posts: 96

The Ramps 1.4 board i have has an extra dual drive.

I went and replaced the drivers from E2 to Y and uploaded the firmware.

The same results.

Can anyone explain to me what creates this behavior?

When I tried to print a Box it resulted in type of stairs.

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MrDoctorDIV

Re: Printing Layer Error : HELP PLZ!
April 26, 2014 09:25PM

Registered: 12 years ago
Posts: 790

Here is a good tutorial and full explanation that I wish I had found when I was looking to do this myself.

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Janski

Re: Printing Layer Error : HELP PLZ!
April 30, 2014 10:25AM

Registered: 12 years ago
Posts: 96

Thank you for the link and the explanation! I read through it and learned a lot about the potentiometers smiling smiley

After further investigation I found the pots were set correctly.

The problem was: y carriage belt was becoming loose due to lose fit on the belt clamp. After I tightened te mount and secured the belt, I no longer get the results show in pics above.

Thanks again. Always learning new things with this 3d printer smiling smiley