Note: Newer Canon G-series (Maxify/MegaTank) or TS-series models usually require newer versions of the service tool, such as v5103 or v5302. Step 1: How to Put a Canon Printer into Service Mode
If you are uncomfortable using unauthorized service software, or if v3600 does not support your specific printer model, consider these alternatives: Canon service tool v3600
Most legitimate versions of Canon Service Tools are locked. When you try to reset the counter, the software may prompt for a "Key" or stop working entirely. To use the full functionality, technicians often need a USB Hardware Key (Dongle) or a specific "Key Generator" (crack). Canon service tool v3600