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It's usually either excess friction or those grub screws. Push the head around to make sure friction is simlar in both axes. I assume you lubricated where they go through the print head and also where they go through the sliding blocks?
Much more likely it's the grub screws. Usually it's the one on the stepper motor. If you have a long hex wrench you can get to those without removing the plastic corner-covers. But removing those covers shouldn't be too bad - I think they pop out.
You really have to tighten the hell out of those locking screws. The steel tool should twist a bit. It's usually the screw on the stepper (as that pulley has the most force on it) but it could be the very next pulley connected to the same belt.
The fact that it recovers makes me think it's on the stepper and that the stepper has a rod with a "flat" surface and that the pulley rocks back and forth a tiny bit.
Update: It was the stepper motor belt being too loose. I thought it was tight enough but it wasn't. After tightening that belt the printer works perfectly.
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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gr5 2,167
It's usually either excess friction or those grub screws. Push the head around to make sure friction is simlar in both axes. I assume you lubricated where they go through the print head and also where they go through the sliding blocks?
Much more likely it's the grub screws. Usually it's the one on the stepper motor. If you have a long hex wrench you can get to those without removing the plastic corner-covers. But removing those covers shouldn't be too bad - I think they pop out.
You really have to tighten the hell out of those locking screws. The steel tool should twist a bit. It's usually the screw on the stepper (as that pulley has the most force on it) but it could be the very next pulley connected to the same belt.
The fact that it recovers makes me think it's on the stepper and that the stepper has a rod with a "flat" surface and that the pulley rocks back and forth a tiny bit.
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