: Wait for the message indicating "downloading is finished." Do not interact with the printer during this time.
: While the printer supports multiple interfaces, firmware updates should be performed via the USB port for maximum speed and stability. olivettipr2plusfirmwareupdate updated
Before starting the update process, ensure you have the following ready: : Wait for the message indicating "downloading is finished
: The program will automatically start downloading the new firmware to the printer's PWB (Printed Wiring Board). olivettipr2plusfirmwareupdate updated
The printer will produce a self-test printout listing the current firmware revision number.
Verify that the "Interface" item is set to USB for data exchange. Step-by-Step Firmware Update Procedure
Press and hold the button while turning the power on.