Abstract: A media processing device includes: a print head; a housing supporting the print head, and defining chambers to receive a media supply, and a ribbon supply; a media guide coupled to the housing, and defining a portion of a media path extending from the media supply to the print head; a first sensor support affixed to the media guide on a first side of the media path, between the media path and a ribbon path extending from the ribbon chamber to the print head; a ribbon sensor on a ribbon-facing side of the first sensor support; a first media sensor on an opposite, media-facing side of the first sensor support; a second sensor support affixed to the media guide on a second side of the media path, opposite the first side of the media path; and a second media sensor on a media-facing side of the second sensor support.

Abstract: A media processing device includes: a housing; a cover rotatable between open and closed positions; a main logic board (MLB) supporting a controller, and having a slot extending into the MLB from an open end at a perimeter of the MLB, the slot traversing the MLB from an upper surface to a lower surface; a receiver affixed to the MLB on a first side of the slot, and an emitter affixed to the MLB on a second side of the slot, to emit radiation detectable by the receiver; and a tab movably coupled to the housing, to obstruct the slot and prevent detection of the radiation by the receiver when the cover is in a first one of the open and closed positions, and to clear the slot and permit detection of the radiation by the receiver when the cover is in the other of the open and closed positions.

Abstract: A media processing device includes: a print head; a housing supporting the print head, and defining chambers to receive a media supply, and a ribbon supply; a media guide coupled to the housing, and defining a portion of a media path extending from the media supply to the print head; a first sensor support affixed to the media guide on a first side of the media path, between the media path and a ribbon path extending from the ribbon chamber to the print head; a ribbon sensor on a ribbon-facing side of the first sensor support; a first media sensor on an opposite, media-facing side of the first sensor support; a second sensor support affixed to the media guide on a second side of the media path, opposite the first side of the media path; and a second media sensor on a media-facing side of the second sensor support.

Abstract: A media processing device includes: a housing; a cover rotatable between open and closed positions; a main logic board (MLB) supporting a controller, and having a slot extending into the MLB from an open end at a perimeter of the MLB, the slot traversing the MLB from an upper surface to a lower surface; a receiver affixed to the MLB on a first side of the slot, and an emitter affixed to the MLB on a second side of the slot, to emit radiation detectable by the receiver; and a tab movably coupled to the housing, to obstruct the slot and prevent detection of the radiation by the receiver when the cover is in a first one of the open and closed positions, and to clear the slot and permit detection of the radiation by the receiver when the cover is in the other of the open and closed positions.