B
0700_0100
Easy Fix
Bambu Lab · FDM 3D Printers
AMS Slot 1 Empty - No Filament Detected in AMS Slot 1
Quick Answer
Error code 0700_0100 on your Bambu Lab FDM 3D Printers means: AMS Slot 1 Empty - No Filament Detected in AMS Slot 1. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Filament spool in slot 1 is empty
  2. Filament not properly loaded into the AMS slot 1 feeder mechanism
  3. AMS slot 1 filament detection switch is stuck or faulty
  4. Filament end not trimmed cleanly preventing proper feeding into the AMS rollers
How to Fix It
1
Check if the spool in slot 1 has filament remaining
2
Remove and re-insert the filament into slot 1, ensuring it feeds past the detection switch
3
Cut a clean tip on the filament before reinserting
4
Verify the AMS feeder rollers in slot 1 are gripping the filament by manually pushing filament through
5
If the slot consistently fails to detect filament, check the detection switch with a multimeter
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Replacement filament spool
AMS feeder motor assembly (if rollers are worn)
Related Error Codes
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