Scan electrodes are provided separately in addition to sustain electrode pairs generating a sustain discharge. The transport mechanism includes a first delivery chain passing through a lower side of the inking units, first through third transport cylinders for transporting the paper from the first delivery chain, and a second delivery chain for transporting the paper from the first through third transport cylinders. The second engaging element is arranged between the motor and a drive wheel to selectively connect and disconnect the motor and the drive wheel. A liquid refrigerant storing section having a predetermined capacity in the refrigerant chamber and storing the liquid refrigerant is formed in the heat exchanger. These alternative medications may be evaluated against the patient’s healthcare plan coverage to present available medication options and associated out-of-pocket costs to the patient.