Cannot Update Firmware; Tray Removed" Message Does Not Disappear - Brother HLL3290CDW Service Manual

4.14.3 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
1
2
3
4
5
* 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.

4.14.4 "Tray removed" message does not disappear

<User Check>
• Close the tray correctly.
Step
1
2
3
Cause
Firmware version does not
match
In case of update failure by
interruption, the firmware
might not correctly written in
the ROM
Firmware file has a problem
during updating with USB
flash memory
USB flash memory has a
problem during updating with
USB flash memory
Main PCB failure
Cause
Paper feed actuator coming
off
Paper feed sensor failure
Main PCB failure
Reinstall the latest sub firmware and main
firmware in this order.
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.
Check if it is firmware of another model, or
check the number of filename characters and
its extension.
Replace the USB flash memory.
Replace the main PCB.
Reattach the paper feed actuator.
Replace the paper feed unit.
Replace the main PCB.
2-155
Remedy
Remedy
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