This board performs AC control of each heater.
Fuse condition
| Name | Rating | Connected to | When fuse is blown | |
|---|---|---|---|---|
| Cause | Error display | |||
| FU2 | 2.5A | Inside PCB (V4, A2) | Abnormal voltage was input because of lightning etc. | - |
| FU3 | 2A | Inside PCB (T2-3) | Overloaded PCB etc. | SC585-00 |
| FU4 | 15A | CN461-3 (input) Inside PCB | All heaters turned on because of a machine error, Overloaded PCB etc. | Power cord unset display |
| FU11 | 2.5A | Inside PCB (V2, A1) | Abnormal voltage was input because of lightning etc. | - |
| FU12 | 2A | Inside PCB (T1-3) | Overloaded PCB etc. | SC585-00 |
| FU13 | 15A | CN460-2 (input) Inside PCB | Abnormal voltage was input because of lightning etc. | Machine does not operate. |
| FU19 | 15A, 16A | CN471-1, 2 | Cure heater short-circuit | SC572-00 |
| FU20 | 6.3A | CN470-1 | Pre-heater short-circuit | SC542-01, 02 |
| FU21 | 10A | CN473-6 | Post heater short-circuit | SC562-01, 02 |
| FU22 | 6.3A | CN473-12 | Print heater short-circuit | SC552-01, 02, 03 |