- When the trays which contains products by types are loaded with multiple level, then isolates by each level & transfers to back-end process and unloads empty trays with multiple level

- Carrier types by products :

1) trays or tray jigs for small products such as smart phones, tablets, and watches

2) boxes for large products such as TV’s, laptop PCs, and navigation systems

- In case of Off-line loader, it is integrated type of loader & unloader and transfers are unloaded after loading with an inspection machine