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A user runs a calibration test and notices the first layer is not sticking well. What is the most likely cause?

medium📝 Application Q4 of 15
3D Printing - 3D Printer Hardware
A user runs a calibration test and notices the first layer is not sticking well. What is the most likely cause?
ANozzle is too close to the bed
BBed temperature is too low
CFilament diameter is too large
DPrinter firmware is outdated
Step-by-Step Solution
Solution:
  1. Step 1: Analyze first layer adhesion issue

    Poor sticking usually happens if the bed is too cold to help filament stick.
  2. Step 2: Evaluate options

    'Bed temperature is too low' fits best; nozzle too close usually squishes filament, filament diameter affects extrusion, firmware unrelated.
  3. Final Answer:

    Bed temperature is too low -> Option B
  4. Quick Check:

    First layer adhesion problem = Low bed temperature [OK]
Quick Trick: Low bed heat causes poor first layer sticking [OK]
Common Mistakes:
MISTAKES
  • Thinking nozzle too close causes poor adhesion
  • Blaming filament diameter for sticking
  • Assuming firmware affects adhesion

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