Software Setting Problems; Cannot Print Data - Brother HL-3040CN Service Manual

5.

SOFTWARE SETTING PROBLEMS

The end user can solve problems pertaining to software, for instance, print cannot be made
from a computer although test print and printer setting print can be made from the machine, by
following the User Check items. If the same problem occurs, follow each procedure in the
order of the number described in the Step column in the tables below.
5.1

Cannot Print Data

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User Check
- Check that the USB cable or LAN 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.
- Restore the settings at factory shipment. (Refer to User's guide)
Step
1 Failure inside the
machine
2 Machine
connection
3 USB direct interface
relay PCB failure
(HL-3070CW only)
4 Main PCB failure
Cause
Does the machine print
"Printer
For Macintosh, has the
product ID been
verified?
Is the problem solved
after replacing the USB
direct interface relay
PCB ASSY?
Is the problem solved
after replacing the main
PCB ASSY?
Check
Result
No
Settings"?
No
Yes
Yes
3-81
Remedy
Identify the error type,
and then refer to the
specified section of this
chapter.
Verify the product ID.
(Hexadecimal)
Product ID:
HL-3040CN: 0037
HL-3070CW: 0038
Replace the USB direct
interface relay PCB
ASSY.
Replace the main PCB
ASSY.
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