| 1 | Unload button |
| 2 | Status lights |
| 3 | Liquid crystal display (LCD) |
The status lights and their ISO symbols are on the device as follows:
Ready
(green)
Activity
(green)
Fault
(amber)
The combinations of the lights and their definitions are shown in the following table.
| Operation | Ready | Activity | Fault |
|---|---|---|---|
| POST or Reset | On | On | On |
| Error or Failed POST | Off | Off | Flash |
| Ready (No Cartridge Loaded) | Off | Off | N/A |
| Ready (Cartridge Loaded) | On | Off | N/A |
| Normal Cartridge Motion | On | Flashing | N/A |
| High Speed Motion | On | Fast Flashing | N/A |
| Time to Clean Cartridge | N/A | N/A | On |
| Cleaning in Progress | On | Flashing | On |