Um. Thinking out loudly. I am currently printing the same file with the same setting and the same filament on two printers of the same hardware, so I am quite sure that it’s not a software issue. Or I would see it on the other printer, too.
But the hint with the geared motor is a good one.
It leaves the gripper wheel or it’s drive wheel as last point of failure.
So I should swap the grippers between the two extruders and see what happens.
Edited by conny_g
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tinkergnome 927
According to the data sheet the QR is a geared feeder with a gearing ratio of 5.18:1
So the drive wheels and the stepper motor are not turning at the same ratio.
If gripper wheel == drive wheel, you can probably rule out the motor.
Have you seen this thread, it looks pretty similar. Trying a different slicer can at least rule out a software issue (and is cheap...)
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