If your Canon printer has stopped working and is flashing an error code like "5B00" or "Service Error 1700," your device is not necessarily broken. These errors usually mean the ink absorber pad is full.

Many antivirus programs flag service tools as "HackTools" or "Malware" because they modify hardware firmware. This is usually a false positive, but you must temporarily disable your antivirus to run the .exe file.

Release both buttons. The power light should blink and then stay lit, indicating it is in Service Mode. How to Use Canon Service Tool V.4713

Clearing the ink absorber (waste ink) counter after physical pad replacement. Hardware Diagnostics:

You must prepare your system hardware to ensure the software works correctly without damaging your printer firmware.