Epson PX201
Troubleshooting. Check point for Fatal error 4
Troubleshooting by Error Message
Occurrence timing CR position
• Power on
• Anywhere
• Operation
• Anywhere
| Detailed phenomenon | Defective unit/part name |
Check point | Remedy |
|---|---|---|---|
| The eject rollers are rotating at high speed when power is turned on. (For about 1 cycle.) | PF Scale/PF Encoder Sensor | 1. Check if the PF Scale is not damaged or contaminated.
 |
1. Replace the PF Scale with a new one. |
| 2. Check if the PF Encoder Sensor is not damaged. | 2. Replace the PF Encoder Sensor with a new one. | ||
| A paper feeding sequence failed to feed the paper, but a paper ejection sequence is performed. | ASF Unit | 1. Check if the PE Sensor Connector Cable is connected to CN10 on the Main Board
 |
1. Connect the PE Sensor Connector Cable to CN10 on the Main Board. |
| 2. Check if the PE Sensor Connector Cable is not damaged. | 2. Replace the ASF Unit with a new one. | ||
| 3. Check if the PE Sensor is not damaged. | 3. Replace the ASF Unit with a new one. |