Brother GT-341 Instruction Manual page 113

Problem
GT-3 does not turn on.
An error occurred just after
turning on GT-3.
GT-3 cannot read data from
USB flash drive.
Cannot do Uni-Directional /
Bi-Directional Printing.
Cause
There is no power.
The Front Cover is open or not
closed properly.
An error occurred.
No USB flash drive is inserted
in the slot, or it is not inserted
properly.
ARP files are saved.
That USB flash drive does not
match the specification.
The USB flash drive has poor
quality.
The setting between the
Printer Driver and the Printer
does not match.
GT-3 Series
Solution
Check the power cable connections.
Close the Front Cover properly.
Check the error code with "7-4. Error Messages" and
restart GT-3. If the error is not cleared, please contact
Brother or your dealer.
Insert USB flash drive properly.
GT-3 cannot print GT-541/GT-782 print data. Make AR3
print data with Brother GT-3 File Output printer driver.
Use a USB flash drive that is FAT32 formatted and its
capacity is under 32 GB
Confirm that USB flash drive with your PC.
The printer setting is prior to the Printer Driver.
Uni-Directional setting in the Printer Driver is only
available when the printer setting is [Auto].
7. Troubleshooting
103