Based on this product's specifications, here are some alternatives and similar models
Transfer Blade Kit for Sharp MX-620TL printers, Primary transfer unit MX620TL
Summary description:
Replacement primary transfer blade kit compatible with Sharp MX-620TL series. Designed to restore consistent paper transfer and print quality by replacing the primary transfer unit (model MX620TL). Intended for use during maintenance or service of compatible Sharp multifunction printers to reduce print defects and prolong device life. Easy to install by trained technicians.