Scanning using the Scan-from-PC Settings screen although the machine. Until recently, everything worked fine when scanning on the platen using the scan and color buttons on the printer. Select Canon MX870 series on the Scan-from-PC Settings screen, then Click Next on the Register Printer and Scanner screen.
Canon MX870 Series user manual available. It is connected directlty to PC with a USB.
If there is a file in this folder, highlight it.