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If a 3D printer's axis moves continuously during homing without stopping at the endstop, what is the first component to inspect?

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3D Printing - 3D Printer Hardware
If a 3D printer's axis moves continuously during homing without stopping at the endstop, what is the first component to inspect?
AExtruder motor driver
BFilament feed mechanism
CHeated bed temperature sensor
DEndstop wiring and connection
Step-by-Step Solution
Solution:
  1. Step 1: Identify the symptom

    The axis does not stop at the endstop during homing.
  2. Step 2: Determine what controls stopping

    The endstop switch signals the controller to stop movement.
  3. Step 3: Check the most likely cause

    If the axis doesn't stop, the endstop signal may not be received due to wiring or connection issues.
  4. Final Answer:

    Endstop wiring and connection -> Option D
  5. Quick Check:

    Check endstop wiring first if axis won't stop [OK]
Quick Trick: Axis won't stop? Check endstop wiring [OK]
Common Mistakes:
MISTAKES
  • Checking filament feed instead of endstop
  • Inspecting heated bed sensor unnecessarily
  • Focusing on extruder motor driver

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