Brother MFC-8540DN Service Manual

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Confidential
4.13.2 Fax cannot be received
4.13.3 Communication error occurs
<User Check>
• Check that the line cord is inserted into the socket correctly.
• Check that the receiving mode setting is correct.
• Check that the handset is placed on the handset holder correctly.
• Check that the receiver's machine works normally or the function you want to perform is
equipped with the receiver's machine.
• Move the machine to the other place to check whether there is any noise source near
the machine.
• Replace the telephone line.
Step Cause Remedy
1
Connection failure of modem flat
cable
Check the connection of the modem flat
cable, and reconnect it if necessary.
2 Modem PCB failure Replace the modem PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Check whether there is any noise source near the machine.
• Replace the telephone line.
Step Cause Remedy
1
Connection failure of modem flat
cable
Check the connection of the modem flat
cable, and reconnect it if necessary.
2 Modem PCB failure Replace the modem PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.

Brother MFC-8540DN Specifications

General

Brand	Brother
Model	MFC-8540DN
Category	All in One Printer
Language	English