You do not need to modify the software. The most reliable fix involves using a small, free utility called , which allows older software to run on modern systems by manipulating the system time parameters.
Close the software, turn off your printer, wait 10 seconds, and turn it back on normally. The blinking error lights will be gone. Troubleshooting Common Errors in V5306
This tool is for newer models, including but not limited to: MG5700, MG6600, MG7700.