Place the Matter Condenser in your AE2 network
Connect it to power
Ensure it is connected to an ME network with channels available
Insert the target item into the Matter Condenser
Feed excess items into the Matter Condenser using an ME Import Bus, ME Interface, or item pipes
Use items with high Matter Value to fill it faster
Monitor the Matter Condenser until it produces the target item
Extract the completed item from the output slot or connected network storage
Repeat the process as needed