If your Mac shows HotLabel States "Offline"or not display in “Printers & Scanners”
- Please try to unplug and plug the USB cable the mac computer side
- and the printer side.
- Then restart the printer(power off then on).
- Connecting the flash drive by using the USB adapter and check whether the computer can read the data.
- Unplug the flash drive and replace it with the USB cable of the printer.
- normally if the flash drive can be read on the Mac , that USB adapter can provide a stable data connection for the printer.