Question re new spool selection

When a spool is finished the AMS2 automatically switches to another spool to finish the print. My question is how does the AMS2 select the spool?

Does it just go from left to right regardless of the colour?

OR

Does it go by colour eg slot 1 to slot 4 if 4 happens to have the same colour as 1?

It picks the filament that matches the one ran out and if you have multiple of the one that ran out in there I believe it is sort of randomly chosen it might be going to the closest one to one ran out tho

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to add on to your question (I am very new)… what happens if you use a smaller spool then the bambu spool will it work? In fact can you use a smaller spool in an AMS2 Pro or do you HAVE to use the spooler adapter?

This is how it should work, provided you have enabled auto refill.

Example: 1. Slots all different

  1. Bambu Lab Basic PLA Red (selected for print)
  2. Bambu Lab Basic PLA Bambu Green
  3. Bambu Lab Basic PLA Blue (selected for print)
  4. Bambu Lab Basic PLA Yellow (selected for print)

If red (slot 1) runs out during a print, the printer pauses and you must remove the empty spool and put a new spool in slot 1, resume the print.

The replacement spool does NOT need to match the previous spool that ran out, it can be a different colour other manufacturer.

Example: 2. Two identical slots

  1. Bambu Lab Basic PLA Red (selected for print)
  2. Bambu Lab Basic PLA Red
  3. Bambu Lab Basic PLA Blue (selected for print)
  4. Bambu Lab Basic PLA Yellow (selected for print)

If red (slot 1) runs out during a print, the printer automatically swaps to slot 2 without any intervention from you.

Example: 3. Two identical slots starting from slot 2

  1. Bambu Lab Basic PLA Red
  2. Bambu Lab Basic PLA Red (selected for print)
  3. Bambu Lab Basic PLA Blue (selected for print)
  4. Bambu Lab Basic PLA Yellow (selected for print)

If red (slot 2) runs out during a print, the printer automatically swaps to slot 1 without any intervention from you.

Example: 4. Mixed slots

  1. Bambu Lab Basic PLA Red (selected for print)
  2. eSun PLA+ Red
  3. Bambu Lab Basic PLA Blue (selected for print)
  4. Bambu Lab Basic PLA Yellow (selected for print)

If red (slot 1) runs out during a print, the printer pauses and you must remove the empty spool and put a new spool in slot 1, resume the print.

Slot 1 & 2 both hold Red PLA, but the manufacturer differs and no automatic matching will occur.

Example: 5. Mixed slots long print

  1. eSun PLA+ Red (selected for print)
  2. eSun PLA+ Red
  3. eSun PLA+ Red
  4. eSun PLA+ Red

If red (slot 1) runs out during a print, the printer swaps to slot 2 automatically, if slot 2 runs out, the printer swaps to slot 3 automatically, if slot 3 runs out, the printer swaps to slot 4 automatically, if slot 4 runs out, the printer pauses and you must remove the empty spool and put a new spool in slot 4, resume the print.

Example: 6. Mixed slots pretending not to be

  1. eSun PLA+ Red set as white (selected for print)
  2. eSun PLA+ Green set as white
  3. eSun PLA+ Blue set as white
  4. eSun PLA+ Yellow set as white

If red (slot 1) runs out during a print, the printer swaps to slot 2 automatically, if slot 2 runs out, the printer swaps to slot 3 automatically, if slot 3 runs out, the printer swaps to slot 4 automatically, if slot 4 runs out, the printer pauses and you must remove the empty spool and put a new spool in slot 4, resume the print.

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