View difference between Paste ID: bGgVnmvc and nhysDbv4

 chestFull = false
-    for i=1,3 do
+
 function fillSlots(start, finish)
-        turtle.suck()
+	for i=start,finish do
         turtle.select(i)
 		while turtle.getItemCount() < 64 do
-    for j=9,11 do
+        	turtle.suck(64-turtle.getItemCount())
-        turtle.select(j)
+		end
-        turtle.suck()
+
 end
 
 function emptyInventory()
 	for i=1,16 do
-    for i=5,7 do
+
 		item = turtle.getItemDetail()
-        turtle.suck()
+		if item and item.name == "ic2:itemcable" then
         	dropped, message = turtle.dropDown()
 
 			if not dropped then
 				chestFull = true
 				return
             else
-    for i=1,16 do
+                chestFull = false
 			end
-        turtle.dropDown()
+		end
     end
 end
 
 function craftCircuit()
     fillSlots(1, 3)
     fillSlots(9, 11)
 
     turtle.turnLeft()
 
     fillSlots(5, 7)
 
     turtle.turnRight()
 
     turtle.craft()
 end
 
 while true do
 	while redstone.getInput("back") and not chestFull do
         emptyInventory()
 		if not chestFull then
 			craftCircuit()
 		end
 	end
 	sleep(1)
 end