Cannot Communicate with Printer via USBCheck1 Make sure printer is turned on.Check2 Connect USB cable properly.As the illustration below, the USB port is at the back of the printer.Important• Check the orientation of the "Type-B" connector and connect to the printer. For details, refer to theinstruction manual supplied with the USB cable.Check3 Make sure Enable bidirectional support is selected in the Ports sheet of thePrinter properties dialog box. (Windows)If not, select it to enable bidirectional support.Opening Printer Driver's Setup Screen504

Canon TR7660 Online Manual