Hey, I had a stupid idea to make free quality iron plates by repeatedly opening and closing chests, and of course I decided to use thrower inserters and circuit signals to launch the result into the appropriate assembler.
The issue is that the thrower inserters get stuck "waiting for source item" when there is very obviously a (quality) chest ready for pickup in the assembler.
Factorio v 2.0.60 (+ Quality)
Renai Transportation v 2.2.4
Blueprint :
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