While the POWER lamp is flashing blue, the machine is initializing. Wait until the POWER lamp stops flashing and remains lit blue.

* In the following instructions, "XXX" signifies your machine's name.
1. Log on as a user account with administrator privilege.
2. Select Devices and Printers from the Start menu.
In Windows 7, select Start menu > Control Panel > Hardware and Sound > Devices and Printers.
In Windows Vista, select the Start menu > Control Panel > Hardware and Sound > Printers.
In Windows XP, select the Start menu > Control Panel > Printers and Other Hardware > Printers and Faxes.
3. Right-click the Canon XXX Printer icon, then select Printer properties.
In Windows Vista or Windows XP, right-click the Canon XXX Printer icon (where "XXX" is your machine's name), then select Properties.
4. Click the Ports tab to confirm the port settings.
Make sure that a port named USBnnn (where "n" is a number) with Canon XXX Printer appearing in the Printer column is selected for Print to the following port(s).

• If the setting is incorrect:

• Printing does not start even though the port named USBnnn is selected:

• Printing does not start even though the port named "CNBJNP_xxxxxxxxxx" is selected when the machine is used over LAN:

When the machine is connected to your computer with a USB cable, make sure that the USB cable is securely plugged in to the machine and the computer, then check the followings:

• If you are using a relay device such as a USB hub, disconnect it, connect the machine directly to the computer, and try printing again. If printing starts normally, there is a problem with the relay device. Consult the reseller of the relay device for details.
• There could also be a problem with the USB cable. Replace the USB cable and try printing again.

Uninstall the MP Drivers following the procedure described in [ Deleting the Unnecessary MP Drivers ], insert the Setup CD-ROM into the computer's disc drive and perform [Custom Install] and select [MP Drivers] to install again.

Follow the procedure below to check the status of the device.
1. Click Control Panel, System and Security, System, then click the Device Manager button.
In Windows Vista, Click Control Panel, Hardware and Sound, then Device Manager.
If the [User Account Control] screen is displayed, follow the on-screen instructions.
In Windows XP, click [Control Panel], [Performance and Maintenance], [System], then click [Device Manager] on the [Hardware] sheet.
2. Double-click Universal Serial Bus controllers then USB Printing Support.
If USB Printing Support is not displayed, make sure that the machine is correctly connected to the computer.
-> [ Check 3: Make sure that the machine is connected to your computer properly ]
3. Click the General tab and make sure that there is no indication of a problem with the device.
If a device error is displayed, refer to Windows help to resolve the error.