Star Micronics spare part number: 33980051
Replacement ribbon shaft (drive gear / spindle) for SP700, SP712, SP742, SP717 and SP747 receipt printers
The ribbon shaft is the spindle or drive gear that fits into the ribbon winder hole of the Star SP700 ribbon cartridge when installed. It is the primary part responsible for advancing the printer ribbon. The ribbon shaft is the most common part that requires replacement, when the the ribbon stops turning.