Confidential
1-60
5. SOFTWARE SETTING PROBLEMS
The machine may not print the data correctly if there are incorrect software settings.
User Check
- Check that the USB cable is not damaged.
- 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?
(Check it following the
procedure described in
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:
DCP-9040CN: 01C9*
DCP-9042CDN: 020C*
MFC-9440CN: 01CA*
MFC-9450CDN: 020D*
* Hexadecimal
3
USB host relay
PCB failure
Is the problem solved
after replacing the USB
host relay PCB ASSY?
Yes
Replace the USB host
relay PCB ASSY.
4
Main PCB failure
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
Summary of Contents for DCP-9040CN
Page 309: ...Confidential 4 5 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 325: ...Confidential 5 6 Color scanning Fig 5 2 ...
Page 342: ...Confidential 5 23 Cover page sample Fig 5 13 End page sample Fig 5 14 ...
Page 365: ...Confidential 6 2 Charge High voltage Power Supply PCB Circuit Diagram 2 4 ...
Page 366: ...Confidential 6 3 Charge High voltage Power Supply PCB Circuit Diagram 3 4 ...
Page 367: ...Confidential 6 4 Charge High voltage Power Supply PCB Circuit Diagram 4 4 ...
Page 368: ...Confidential 6 5 Transfer High voltage Power Supply PCB Circuit Diagram 1 2 ...
Page 369: ...Confidential 6 6 Transfer High voltage Power Supply PCB Circuit Diagram 2 2 ...
Page 370: ...Confidential 6 7 Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 371: ...Confidential 6 8 Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 373: ...Confidential 6 10 Filter PCB Circuit Diagram ...