Dude
I did a system reset and things seemed to have improved, at least the object is now printing as it should.
What I have noticed is that during the layers when retraction is occurring, the Z motor speed seems to be about half the normal step speed, it's quite obvious. What I don't know, is whether this has always been the case. When the fault was happening, the Z speed appeared to get slower and slower until it didn't work at all.
The feeder retraction speed seems to be as it always was, so I don't think that has been affected.
Later on, I will check all the motor connectors, they are the most obvious source of the fault.
Not sure about Z hop, never been into the Gcode.
It almost looks like a processor overload.
thanks
Hi John,
You can try setting the retraction length (not the speed) on the printer itself to 0.0mm to see if it makes any difference. If it resolve the issue then it may be related to the feeder motor.
The retraction is part of the feeder motor so if extrusion occur normally on a print not requiring retraction then it might not be related.
Do you know if your print uses z-hop? You can look in the gcode to see if it's the case. Between every G10 G11 code you will see a G0 with Z information. If that's the case then maybe z stepper motor is not connected properly anymore or got burned somehow and doesn't like to be used very often.
Please post a picture or video of the issue.
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pm_dude 27
Hi John,
You can try setting the retraction length (not the speed) on the printer itself to 0.0mm to see if it makes any difference. If it resolve the issue then it may be related to the feeder motor.
The retraction is part of the feeder motor so if extrusion occur normally on a print not requiring retraction then it might not be related.
Do you know if your print uses z-hop? You can look in the gcode to see if it's the case. Between every G10 G11 code you will see a G0 with Z information. If that's the case then maybe z stepper motor is not connected properly anymore or got burned somehow and doesn't like to be used very often.
Please post a picture or video of the issue.
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