Many field technicians confuse the PR2 Plus (serial firmware via XMODEM) with the PR2 Pro (USB stick or Ethernet TFTP update). The Plus model lacks a USB host port – do not attempt to use a USB flash drive.
The PR2 Plus is a passbook printer with a complex mechanical stack. A failed firmware update can brick the unit, requiring an EEPROM reflash or mainboard replacement.
Hardware Required:
Firmware Files (Typical naming):
Critical Warning:
Do not interrupt power during the flash. Do not send data to the printer via parallel/USB during update. Use only the serial port. Olivetti-pr2-plus-firmware-update
Skipping these steps can brick your printer.
After the reboot, enter the Configuration Mode to verify firmware version: Many field technicians confuse the PR2 Plus (serial
Also re-calibrate the MICR head after firmware update – the magnetic gain tables often reset to defaults: