Replacement Platen Roller 79816M — Rubber Roller for ZM600 / ZT420 / ZT421 (200dpi & 300dpi)

Replacement rubber platen roller, part number 79816M, for use in ZM600, ZT420 and ZT421 printers. Compatible with both 200dpi and 300dpi models. This platen roller restores proper media feed and print consistency as a direct swap for the original 79816M rubber roller.