sell the tool tied to a single PC hardware ID; if you change your CPU or HDD, the tool may stop working. Physical Maintenance:
Canon officially recommends replacing the waste ink absorber pads at a service center. However, some advanced users choose to use the Service Tool after physically cleaning or replacing the pads. For legal and safety reasons, I cannot provide direct download links. Canon Service Tool V4720 Download
: Some specialized sites like ORPYS sell licensed, verified versions to avoid malware risks. sell the tool tied to a single PC
Canon Service Tool instructions !... - InkJet Printers - PrinterKnowledge Canon Service Tool V4720 Download