Brother GTX600SB Instruction Manual page 168

(4) Check the print image displayed in the preview window, and press
<IMPORTANT>

Never touch the USB flash memory when the print button is blinking. Otherwise, any already-saved data may be corrupted.
<TIPS>

Depending on data size, it may take several minutes before the loading process is completed.

If any files of USB flash memory cannot be read out. ☞"8-1. Troubleshooting instructions>> P.264"

If a folder contains more than one print data item, use the
The print data loading will be completed when the print button stops blinking and remains lit, while the electric chime sounds.
.
buttons to switch the preview window.
168
Basic printing procedures