Brother HL-L3210CW - Cannot Update Firmware; Tray Removed Message Does Not Disappear

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4.11.2 Cannot update firmware
<User Check>
• Make sure that there is no other function running.
• Turn the power switch OFF and then back ON again.
* 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.
4.11.3 “Tray removed” message does not disappear
<User Check>
• Close the tray correctly.
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.* (Touch panel model)
1) Turn OFF the machine.
2) Turn ON the machine while pressing the
.
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.
Step Cause Remedy
1
Paper feed actuator coming
off
Reattach the paper feed actuator.
2 Paper feed sensor failure Replace the paper feed unit.
3 Main PCB failure Replace the main PCB.