Epson WF-4640 Error 0x44
The Epson WF-4640 printer is equipped with a scanner that sometimes encounters the error code 0x44, which is displayed on the scanner. This error, known as the Scanner/ADF FB PID acceleration lock error, can occur due to various reasons.
One possible cause of the error is an encoder failure. The encoder is responsible for tracking the position of the scanner, and any malfunction in this component can lead to the error code 0x44. Additionally, the error may occur if there is a problem with the timing belt. Improper tension or tooth skip in the timing belt can cause the scanner to malfunction and display this error.
Another potential cause is a gear crack. If any of the gears in the scanner mechanism are damaged or cracked, it can result in the error code 0x44. Additionally, the error may be caused by a disconnection in the cable or FFC (Flexible Flat Cable) that connects the scanner to the main board. Any interruption in this connection can lead to the error being displayed.
Furthermore, the error code 0x44 may indicate a motor driver failure. If the motor that powers the scanner is not functioning properly, it can generate this error code. Lastly, a failure in the main board can also result in this error being displayed.
To troubleshoot this error, it is recommended to first check all cable connections and ensure they are properly secured. If any cables or FFCs are loose, they should be reconnected firmly. It is also advised to inspect the scanner mechanism for any visible damage, such as cracked gears. If any issues are found, replacement of the faulty components may be necessary.
In case the error persists after these troubleshooting steps, it is recommended to seek professional assistance from Epson customer support or a certified technician to diagnose and resolve the problem accurately.
| Printer Model | Epson WF-4640 |
| Error Code | 0x44 |
| Display On | SCANNER |
| Description and troubleshooting | Scanner/ADF FB PID acceleration lock error. Encoder failure. Tooth skip or improper tension of the timing belt. Gear crack. Cable or FFC disconnection. Motor driver failure. Main board failure. |
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