Troubleshooting For Other Problems; Cannot Print; Cannot Update Firmware; Usb Direct Interface Errors - Brother HL-L5000D 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.
- Install the latest main firmware.
- Match the document size with the one specified in the driver.
Step
Connection failure of the wireless
1
LAN connector
2 Wireless LAN PCB failure
3 Main PCB failure

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
2 Main PCB failure

4.11.3 USB direct interface errors

<User Check>
- Replace the USB flash memory.
- Check that the extension of data in the USB flash memory is correct.
Step
1 USB host circuit failure
Cause
Reconnect the wireless LAN connector.
Replace the wireless LAN PCB.
Replace the main PCB ASSY.
Cause
Reinstall the latest sub firmware and main
firmware in this order.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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