Brother MFC-L8900CDW
Troubleshooting. Cannot update firmware
User Check
- Make sure that there is no other function running.
- Turn the power switch OFF and then back ON again.
| Step | Cause | Remedy |
|---|---|---|
| 1 | Firmware version does not match | Reinstall the latest sub firmware and main firmware in this order. |
| 2 | In case of update failure by interruption, the firmware might not correctly written in the ROM | Update the firmware again by the following procedure.* 1) Turn OFF the machine. 2) Turn ON the machine while pressing the [Home] key. 3) Double-click the “Filedg32.exe” to start, and select “Brother Maintenance USB Printer”. 4) Drag and drop the firmware (upd file) in the FILEDG32 screen. Update is started. |
| 3 | Main PCB failure | Replace the main PCB ASSY. |
* By the above update procedure, the other models firmware can be updated to the machine. Check that the firmware is right and update correctly. If the other models firmware was updated by mistake, the machine may repeat power ON/OFF or not powered ON. In such case, replace the main PCB.