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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
“Maintenance mode 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:
DCP-9045CDN: 01CB*
MFC-9840CDW: 01CC*
* 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.