The tool will only work if the printer is successfully in "Service Mode." : Power off the printer but keep it plugged in. : Press and hold the (or Resume/Cancel) button. : While still holding Stop, press and hold the : Release the button (while keeping Power held). : Press the (for most modern PIXMA models) or depending on your specific model. : Release the
Using or distributing copyrighted service software violates the DMCA and similar laws. While end-users are rarely prosecuted, hosting or sharing such tools can lead to legal action. canon service tool v5204 free download exclusive
A misconfigured service tool — especially a version not intended for your exact printer model — can corrupt the EEPROM. This may permanently disable your printer, requiring a mainboard replacement that costs more than a new device. The tool will only work if the printer