Hi,
Thought I had my shortbelts nice and tight, but....
I have covered the printer with a large plastic sheet, to create a heated champer, so I guess the wood have dried out and loosened the bolts for the steppers.
I will run a new print tomorrow to se if the problem is solved, but I really think you nailed it!
Thank you!
Johan
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gr5 2,224
Please post a picture of the ".4mm gaps".
This could be caused by many things. The most likely is something called backlash which has the tell-tale pattern of every other line is touching, and then a gap (touching/gap/touching/gap repeats across the top). There are many things that cause backlash - the easiest to check is belt tension - usually short belts:
Here is a photo showing backlash and how it was fixed:
http://umforum.ultimaker.com/index.php?/topic/1872-some-calibration-photographs/?p=14396
The very next post explains what causes the pattern.
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