Brother MFC-7450

1-45
Confidential
7. SOFTWARE SETTING PROBLEMS
The machine may not print the data correctly if there are incorrect software settings.
User Check
• Check that the USB cable and the network cable is not damaged or broken.
• Check that the correct machine is selected if you have an interface switching device.
• Check the descriptions on the software setting in the user’s guide.
• Try resetting the factory settings.
Step Cause Check
Result Remedy
1
Failure inside the
machine
Does the machine print
"Test Pattern (Function
code 09)" ?
No
Identify the error type, and
then refer to the specified
section of this chapter.
2
Machine
connection
For Macintosh, has the
product ID been
verified?
No
Verify the product ID.
Product ID:
DCP7030 : 01EA
DCP7040 : 01E9
DCP7045N : 01E8
MFC7320 : 01EB
MFC7340 : 01E7
MFC7440N : 01E6
MFC7450 : 01EE
MFC7840N : 01ED
MFC7840W : 01E5
3
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Ye s
Replace the main PCB
ASSY.