Keep in mind that the steel deck ovens are not really made for baking pizzas. The thin steel deck cools off way to quickly, resulting in a light bottom bake on the pizzas. As you are also having difficulty getting the desired top color, your oven tempetature might be set too low. Typically we bake at 500 to 525F in a deck oven. Just to be on the safe side, you might also buy an oven thermometer from a local hardware store to check the accuracy of the oven thermostat. If you find that it is not in calibration, use the oven thermometer to adjust the temperature, then let us know how your pizzas bake. We need to get the top of the pizzas baking correctly first, then, if necessary, we can manipulate the dough formula, through the addition of sugar, to get the bottom bake closer to where you want to be.
Tom Lehmann/The Dough Doctor