| No. | Name |
|---|
| 1 | Ink Leak Sensor (WF-M5899 Series) Ink Leak Sensor (WF-M5399 Series) |
| 2 | RIPS Unit Lower (WF-M5899 Series) RIPS Unit Lower (WF-M5399 Series) |
| 3 | CSIC Board (WF-M5899 Series) CSIC Board (WF-M5399 Series) |
| 4 | Temperature and Humidity Sensor (WF-M5899 Series) Temperature and Humidity Sensor (WF-M5399 Series) |
| 5 | Guide Cover (WF-M5899 Series) Guide Cover (WF-M5399 Series) |