Brother MFC-7390

2-114
Confidential
4.13.2Fax cannot be received
<User Check>
• Check that the line cord is inserted into the socket correctly.
• Check that the receiving mode setting is correct.
• 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.
4.13.3Communication error occurs
<User Check>
• Check whether there is any noise source near the machine.
• Replace the telephone line.
4.13.4Receive buffer full during receiving into memory
<User Check>
• Print the print data stored in the memory.
• Divide the print data and print it.
Step Cause Remedy
1
Connection failure of the
modem flat cable
Reconnect the modem flat cable.
2 Modem PCB failure Replace the modem PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection failure of the
modem flat cable
Reconnect the modem flat cable.
2 Modem PCB failure Replace the modem PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.