When Repairing, Lending, or Disposing of the Printer
If you have entered personal data, passwords and/or other security settings on the printer, such information may be stored in the printer.
When sending the printer for repair, lending or transferring the printer to another person, or disposing of the printer, please be sure to follow the steps below in order to delete such information and prevent third parties from accessing it.
Press the Setup button and select Device settings > Reset setting > All data. Next, press the OK button and select Yes.
For printers with fax capabilities, user information and speed dial numbers can be backed up to a computer by utilizing the Speed Dial Utility2 software before resetting the printer or deleting data. Backed up data can be restored to the repaired printer or another Canon printer.