| Issue | Probable Cause | Resolution | | :--- | :--- | :--- | | | Driver conflict or incorrect port. | Check Device Manager. Ensure the correct COM port is selected in the utility. Try a different USB port. | | Update Freezes at 0% or mid-way | Communication timeout. | Use a higher quality USB cable. Disable Windows Power Management for USB hubs. Restart the process from Phase 2. | | Printer LED Flashing Red/Green | Firmware corruption or failed flash. | Attempt to re-enter Download Mode (Phase 2) and re-flash. If the printer refuses to enter Download Mode, the mainboard may be damaged. | | Printer prints garbage after update | Incorrect emulation settings. | Reset the printer to factory defaults via the menu panel or dip-switch settings. |
Olivetti provides a GUI utility for Windows (XP through 11). Olivetti-pr2-plus-firmware-update