11 days ago - Rocket - Direct link
PrinterInstruction.MissingRecipeReagent

Will only show if the recipe is preceeded by a "wait for recipe" instruction. In other words, the MissingReagentRecipe instructions will only be populated if the machine is waiting to complete a recipe.

By default, the machine will not wait - and will skip a recipe and try the next - if it does not have the reagents.