Brother HL-1020 Service Manual page 184

Troubleshooting
If the printer does not print from the USB port, try reinstalling the USB driver as follows;
1. Double-click the file 'DeinsUSB.exe' in the USB directory of the CD-ROM.
2. Turn the printer off and on again.
3. "Add New Hardware Wizard" is launched again, follow the instructions in the Wizard.
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