Inverted reverse-image transfer printing

摘要

A credential printing device is provided. The credential printing device includes a credential substrate transport, a transfer ribbon and a transfer roller. The credential substrate transport is configured to feed a credential substrate along a processing path. The transfer ribbon is adjacent to the processing path. The transfer roller is positioned below the processing path and is configured to transfer an image from the transfer ribbon to a bottom surface of the credential substrate in the processing path.

主权项

1. A reverse-image credential printing device comprising:
a credential substrate transport configured to feed a credential substrate along a processing path, the credential substrate having a bottom surface; removable transfer ribbon and print ribbon cartridges containing supply and take-up spools that are positioned side-by-side, wherein the supply spool of the transfer ribbon cartridge underlies the take-up spool of the transfer ribbon cartridge; a transfer ribbon extending between the supply spool and the take-up spool of the transfer ribbon cartridge; and a transfer roller configured to transfer an image from the transfer ribbon to the bottom surface of the credential substrate in the processing path, wherein the transfer roller underlies the processing path and the bottom surface of the credential substrate, but overlies the supply and take-up spools of the transfer ribbon cartridge.