Based on this product's specifications, here are some alternatives and similar models
Roller Zebra ZD421D ZD621D
Summary description:
The Zebra ZD421D ZD621D Roller is designed for optimal performance with Zebra POS printers. This roller ensures smooth paper feeding and enhances print quality. Compatible with models ZD421D and ZD621D, it comes in a pack of 1 piece. Easy to install, it helps maintain your printer's efficiency and prolongs its lifespan.