Canon Service Tool 4905 «Limited · PACK»

If your printer will not enter service mode, the mainboard may have been permanently locked.

Look at the section on the main page. Set the Absorber dropdown menu to Main . Click the Set button to the right of the dropdown. canon service tool 4905

While Canon officially recommends sending the machine to an authorized service center for a costly repair, there is a professional solution you can deploy right from your desk: the . If your printer will not enter service mode,