Instead of risking your PC's security, consider these safer alternatives:
Once in Service Mode, launch the Service Tool v4502.exe on your Windows PC: SOLVED: resetting my ink absorber - Canon Printer - iFixit canon service tool v 4502 free download
Using the wrong version of the Service Tool—or using it incorrectly—can "brick" your printer, rendering the logic board useless and making the device impossible to repair. Instead of risking your PC's security, consider these
Developed by Canon, Inc., this Windows-based utility is designed for diagnosing and maintaining select inkjet models. Its most common use for home users is resetting the ink absorber (waste ink) counter when it reaches its limit. Key Features: Maintenance: Reset waste ink counters. Diagnostics: Access service-mode functions and hardware diagnostics. Calibration: Print test patterns and perform print head alignment. Before You Download: The Risks Key Features: Maintenance: Reset waste ink counters
Finding a legitimate, virus-free download link for this specific software is difficult. The tool is not officially distributed by Canon to the general public; it is leaked service software.
The cage was open. The 5B00 error vanished, replaced by the steady glow of readiness. Elias leaned back, the blue light of the monitor reflecting in his eyes. He had bypassed the planned obsolescence of a giant. In the quiet of his workshop, the only sound was the printer’s cooling fan, a soft mechanical purr of gratitude. He had found the tool, and for one more day, the machine belonged to him.