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A stepper motor in a 3D printer is not moving despite receiving pulses. Which is the most likely cause?

medium📝 Analysis Q6 of 15
3D Printing - 3D Printer Hardware
A stepper motor in a 3D printer is not moving despite receiving pulses. Which is the most likely cause?
ACooling fan is off
BIncorrect wiring between driver and motor
CFilament is jammed
DPower supply voltage too high
Step-by-Step Solution
Solution:

  1. Step 1: Analyze symptoms

    Motor not moving despite pulses suggests signal is not reaching motor properly.

  2. Step 2: Identify common hardware issue

    Incorrect wiring between driver and motor is a common cause preventing movement.

  3. Final Answer:

    Incorrect wiring between driver and motor -> Option B

  4. Quick Check:

    Motor no movement = Check wiring first [OK]
Quick Trick: Check wiring if motor doesn't move despite pulses [OK]
Common Mistakes:
MISTAKES
  • Blaming filament jam for motor movement issues
  • Ignoring wiring and checking unrelated parts
  • Assuming power supply voltage is always correct

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