In accordance with an embodiment, a ribbon holding shaft winds an ink ribbon before printing. A ribbon winding shaft winds the ink ribbon after printing to collect the ink ribbon. A feed motor rotationally drives the ribbon holding shaft. A winding motor rotationally drives the ribbon winding shaft. A detection module detects slackness of the ink ribbon stretched between the ribbon holding shaft and the ribbon winding shaft. A ribbon feed control module forward rotates the winding motor to draw out the ink ribbon from the ribbon holding shaft to the printing section and further controls the ribbon winding shaft to wind the ink ribbon. A reverse rotation control module reversely rotates the feed motor to stretch the ink ribbon between the ribbon holding shaft and the ribbon winding shaft if the detection module detects the slackness of the ink ribbon.

Card substrate printers, such as credential production devices, are generally configured to print images to plastic substrates to form identification cards, driver's licenses, credit cards, and other items. The image printing process that is performed by the printer may be a direct-to-card printing operation, in which a print unit prints an image directly to a surface of the substrate. Alternatively, the image printing process may involve a reverse-image printing process, during which a print unit prints an image to an intermediate substrate, such as a transfer film, and the printed image is transferred from the intermediate substrate to a surface of the card substrate to complete the printing process.

Card substrate printers, such as credential production devices, are generally configured to print images to plastic substrates to form identification cards, driver's licenses, credit cards, and other items. The image printing process that is performed by the printer may be a direct-to-card printing operation, in which a print unit prints an image directly to a surface of the substrate. Alternatively, the image printing process may involve a reverse-image printing process, during which a print unit prints an image to an intermediate substrate, such as a transfer film, and the printed image is transferred from the intermediate substrate to a surface of the card substrate to complete the printing process.

A printing apparatus includes: a main body having a space therein, a thermal head arranged on a substrate provided in the space, the thermal head having heating elements arranged along a predetermined arrangement direction; a first conveyor which conveys an ink ribbon along a first conveyance path orthogonal to the arrangement direction, a second conveyor which conveys a printing object along a second conveyance path orthogonal to the arrangement direction and on an opposite side of the thermal head with respect to the first conveyance path, a first temperature sensor provided in a first space on a side of the thermal head with respect to the first conveyance path, a second temperature sensor provided in a second space between the first conveyance path and the second conveyance path, and a processor.

A printing apparatus includes: a main body having a space therein, a thermal head arranged on a substrate provided in the space, the thermal head having heating elements arranged along a predetermined arrangement direction; a first conveyor which conveys an ink ribbon along a first conveyance path orthogonal to the arrangement direction, a second conveyor which conveys a printing object along a second conveyance path orthogonal to the arrangement direction and on an opposite side of the thermal head with respect to the first conveyance path, a first temperature sensor provided in a first space on a side of the thermal head with respect to the first conveyance path, a second temperature sensor provided in a second space between the first conveyance path and the second conveyance path, and a processor.

A described example includes a ribbon cartridge having a first spool housing to receive a first spool. The ribbon cartridge further having a second spool housing to receive a second spool. The ribbon cartridge further having at least one frame member extending between the first spool housing and the second spool housing and a spool lock, wherein the spool lock is configured to engage at least one of the first spool or the second spool in response to the ribbon cartridge not being received within a ribbon positioning assembly.

A described example includes a ribbon cartridge having a first spool housing to receive a first spool. The ribbon cartridge further having a second spool housing to receive a second spool. The ribbon cartridge further having at least one frame member extending between the first spool housing and the second spool housing and a spool lock, wherein the spool lock is configured to engage at least one of the first spool or the second spool in response to the ribbon cartridge not being received within a ribbon positioning assembly.

A disclosed media processing device includes a lid hingedly attached to the base movable relative to the base between a closed position and an open position, wherein a cavity is defined between the base and the lid; a platen roller to form a first nip with a printhead, wherein media having a backing is to travel through the first nip; a modular peeler configured to remove the backing from the media downstream from the first nip, the modular peeler including a peel roller to form a second nip with the platen roller, wherein the backing is to travel through the second nip after being removed from the media.

A disclosed ribbon cartridge includes a first spool housing configured to receive a first spool; a second spool housing configured to receive a second spool; a first frame member extending between the first and second spools; and a second frame member extending between the first spool and the second spool; wherein a printhead assembly opening is defined and bounded by the first spool housing, the second spool housing, the first frame member, and the second frame member, wherein the first frame member defines a first channel adjacent to the printhead assembly opening, wherein the second frame member defines a second channel adjacent to the printhead assembly opening, and wherein the first channel and the second channel each comprise a drive surface, wherein the drive surface is configured to be engaged by a printhead assembly to drive the ribbon cartridge to an installed position within the media processing device.

A disclosed ribbon cartridge includes a first spool housing configured to receive a first spool; a second spool housing configured to receive a second spool; a first frame member extending between the first and second spools; and a second frame member extending between the first spool and the second spool; wherein a printhead assembly opening is defined and bounded by the first spool housing, the second spool housing, the first frame member, and the second frame member, wherein the first frame member defines a first channel adjacent to the printhead assembly opening, wherein the second frame member defines a second channel adjacent to the printhead assembly opening, and wherein the first channel and the second channel each comprise a drive surface, wherein the drive surface is configured to be engaged by a printhead assembly to drive the ribbon cartridge to an installed position within the media processing device.