If you are shopping for the correct retail equip. pos/cash reg. supplies for a Fas Fax System COM-Acct, you've come to the right place. Retail Equip. POS/Cash Reg. made by Fas Fax System are known for their industry-leading print quality and efficiency and the Fas Fax System COM-Acct is no exception. Get great savings when you buy retail equip. pos/cash reg. supplies for Fas Fax System COM-Acct.