Brother HL-4570CDW - Software Setting Problems; Cannot Print Data; Network Problems; Cannot Make a Print through Network Connection (Error Code ED, EE)

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3.6 Software Setting Problems
The end user can solve problems pertaining to software, for instance, print cannot be made
from a computer although test print and printer setting print can be made from the printer, by
following the User Check items. If the same problem occurs, follow each procedure in the
order of the number described in the Step column in the tables below.
3.6.1 Cannot print data
<User Check>
- Check that the USB cable or LAN cable is not damaged.
- Check that the correct printer is selected if you have an interface switching device.
- Check the descriptions on the software setting in the user’s guide.
- Restore the settings at factory shipment. (Refer to User’s guide)
- Check the driver setting.
3.7 Network Problems
3.7.1 Cannot make a print through network connection
(Error code ED, EE)
<User Check>
- Check the descriptions in the network user’s guide.
- Restore the settings at factory shipment. (Refer to User’s guide)
- Check the network connection.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Harness connection failure of
wireless LAN PCB
Check the harness connection of the
wireless LAN PCB and reconnect it.
2 Wireless LAN PCB failure Replace the wireless LAN PCB.
3 Main PCB failure Replace the main PCB ASSY.