You cannot open the Service Tool while the printer is in normal mode. You must force the printer into "Service Mode."
The Canon Service Tool is a proprietary maintenance utility used by Canon technicians to reset internal counters and perform deep maintenance on PIXMA series printers. canon service tool v5306 free download windows 10
To use the tool, your printer must be manually put into "Service Mode" (usually a sequence of holding the Resume and Power buttons). If the Service Mode on your printer is locked or damaged, the software will not work. You cannot open the Service Tool while the
Perform deep cleaning cycles more effectively than the standard driver. and Ethical Considerations
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