Troubleshooting For Other Problems; Cannot Print; Cannot Update Firmware - Brother HL-L2300D Service Manual

4.11 Troubleshooting for Other Problems

4.11.1 Cannot print

<User Check>
- Turn the power switch OFF and then ON again.
- Check that the USB cable is connected to the host correctly.
- Check that the LAN cable is connected to the host correctly.
- Replace the USB cable.
- Replace the LAN cable.
- Check that the maximum printable page number has not been exceeded.
- Check that the PC Print is not forbidden.
- Check the print limit ID.
- Check the network connection.
- Check the relevant section in the Network Setting Guide.
- Check that the print data is not damaged.
Step
Forgot print limit ID
1
Connection failure of the wireless
2
LAN connector
Wireless LAN PCB failure
3
Main PCB failure
4

4.11.2 Cannot update firmware

<User Check>
- Make sure that there is no other function running.
- Turn the power switch OFF and then ON again.
Step
Firmware version does not match
1
Main PCB failure
2
Cause
Execute "Initialize EEPROM parameters
(function code: 01)" to reset ID and let user
to input a new ID.
Reconnect the wireless LAN connector.
Replace the wireless LAN PCB.
Replace the main PCB ASSY.
Cause
Reinstall the latest sub firmware, demo
firmware, and main firmware in this order.
Replace the main PCB ASSY.
2-75
Remedy
Remedy
Confidential