Why data cannot be sent from a device plugged into the USB Direct Interface on Brother PT-9800PCN?
- NNicole GriffinSep 12, 2025
This issue can arise due to two main reasons: * The connected device is incompatible with the PT-9800PCN. If the LED display on the USB Direct Interface flashes red, the device is either incompatible or consumes too much power. * The buffer of the PT-9800PCN is full. If the LED flashes red while connected devices are in use, the buffer may be full. Stop data transmission, wait for the buffered data to process, then unplug and replug the device.










