Cannot Update Firmware; Paper Low" Message Does Not Disappear - Brother HL-2290 Service Manual

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.
Step
1
2
3
* By the above update procedure, the other models firmware can be updated to the machine.
(You can update LCD models firmware to LED models.) 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 "Paper Low" message does not disappear

<User Check>
• Turn the power switch OFF and then back ON again.
• Refill the paper in the appropriate paper tray.
Step
1
2
3
4
Cause
Firmware version does not
match
In case of update failure by
interruption, the firmware
might not correctly written in
the ROM
Main PCB failure
Cause
Damaged plate-up plate in
the paper tray
Paper feed motor failure
Damaged plate push-up
mechanism in the machine
Main PCB failure
Reinstall the latest sub firmware and main
firmware in this order.
Update the firmware again by the following
procedure.*
1) Turn OFF the machine.
2) For LED models
Open the front cover and then turn ON
the machine while pressing the [Go]. If the
Paper, Drum, and Toner LEDs light,
release the [Go]. If all LEDs go out, press
the [Go] four times.
For LCD models
Turn ON the machine while pressing the
[OK] and [Go].
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.
Replace the main PCB ASSY.
Replace the paper tray.
Replace the paper feed motor.
Replace the frame L unit.
Replace the main PCB ASSY.
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Remedy
Remedy
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