Epson L850 Error 0x40
The Epson L850 is a highly efficient printer that is widely used for various printing tasks. However, sometimes users encounter an error code 0x40, which is displayed on the printer. This error code typically indicates a printer head failure.
When the error code 0x40 is displayed, it means that the printer head has encountered an issue. One common cause for this error is an abnormal temperature detected by the head thermistor. The head thermistor is responsible for monitoring the temperature of the printer head. If it detects an abnormal temperature, it triggers the error code 0x40.
Additionally, another possible cause of this error is a main board failure. The main board is the central control unit of the printer, responsible for coordinating all operations. If there is a failure or malfunction in the main board, it can lead to the display of error code 0x40.
To troubleshoot and resolve this issue, there are a few steps you can take. First, ensure that the printer is turned off and unplugged from the power source. Next, carefully open the printer cover and check for any visible obstructions or blockages around the printer head area. If you find any debris or foreign objects, carefully remove them using a soft cloth or brush.
If the error code persists, it may be necessary to contact Epson customer support or a qualified technician for further assistance. They will be able to diagnose the specific problem and provide the necessary solution, which may involve repairing or replacing the printer head or main board.
It is important to address this error code promptly to ensure the proper functioning of your Epson L850 printer and to minimize any disruptions in your printing tasks.
| Printer Model | Epson L850 |
| Error Code | 0x40 |
| Display On | PRINTER |
| Description and troubleshooting | Printer head failure. Transistor abnormal temperature error. Head thermistor detects abnormal temperature. Main board failure. |
Key reset Epson L850
– Epson L850 Resetter For Windows: Download
– Epson L850 Resetter For MAC: Download
Check Supported Functions For Epson L850
If Epson L850 In Supported List
Get Wicreset Key
– After checking the functions that can be supported by the Wicreset software, if Epson L850 is supported, we will reset the waste ink as shown in the video below:
Contact Support For Epson L850
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