It updated the firmware while I was playing with it and I was able to print out the settings which said it had no password. Then I was able to use the serial number in the utility and reset the password.
It updated and then somehow I was able to print out settings and it allowed me to use the serial number from the printer utility to reset the password.
I am having the same problem with the password neither cannon or the serial number would work . Went to the front panel tried to put in a password there now it's all screwed up reset admin password is nowhere to be found in the menu. Printer is worki...