A gaming machine printer. The gaming machine printer creates printed vouchers, tickets, receipts, etc. for use in gaming applications employing cashless enabled gaming systems. The gaming machine printer includes control logic for self calibration of a printer head and other diagnostics. The gaming machine printer may be coupled to a cashless enabled game or other host using a variety of communications ports. The gaming machine printer may hold a voucher internally, verify or validate the voucher, and then may void invalid or poorly printed vouchers. The gaming machine printer further includes a mobile module having a hinged sub-module and coiled communications cord for ease in servicing.