Every product photos of the site refer to a range of different models. Some displayed optional accessories are not disponible in all the models of the family product
Printers Accessories Citizen Printhead
Citizen Printhead for Citizen CL-S521, CLP-621, CL-S621, 8 dots/mm (200dpi)
Citizen Printhead for Citizen CL-S521, CLP-621, CL-S621, 8 dots/mm (200dpi)