To update the firmware on a Fargo DTC300/400 printer you must place the printer into upgrade mode.
Turn the printer power off
Hold down both buttons at the same time
The printer LCD will display upgrade firmware
You may now send the firmware
To update the firmware on a Fargo DTC300/400 printer you must place the printer into upgrade mode.
Turn the printer power off
Hold down both buttons at the same time
The printer LCD will display upgrade firmware
You may now send the firmware