sell the tool tied to a single PC hardware ID; if you change your CPU or HDD, the tool may stop working. Physical Maintenance:
: Includes specialized test prints and nozzle checks beyond standard driver capabilities. Compatibility Canon Service Tool V4720 Download
: Using the wrong version of the Service Tool (e.g., an older V3400 on a newer G-series printer) can permanently lock the printer's Service Mode, requiring a hardware EEPROM replacement to fix. sell the tool tied to a single PC
sell the tool tied to a single PC hardware ID; if you change your CPU or HDD, the tool may stop working. Physical Maintenance:
: Includes specialized test prints and nozzle checks beyond standard driver capabilities. Compatibility
: Using the wrong version of the Service Tool (e.g., an older V3400 on a newer G-series printer) can permanently lock the printer's Service Mode, requiring a hardware EEPROM replacement to fix.