Generic Printhead For Zebra S4M Barcode Printer 203dpi, PN: G41400M Note: This print head is only for printing coated paper (chrome paper), CAN NOT print other papers, such as thermal paper. PS: how to define the difference of coated paper (chrome paper) and thermal paper: Use your finger scrape the paper hardly, if there is black scratches, it is thermal paper; if there is no black scratches, it is coated paper (chrome paper).