The machine is not ready.
Confirm that the Power lamp is lit green.
If the Power lamp is off, turn the machine on.
While the Power lamp is flashing green, the machine is initializing. Wait until the Power lamp stops flashing and remains lit green.
Printer port setting does not match the computer's interface connecting the machine.
Check the printer port settings.
* In the following instruction, "XXX" signifies your machine's name.
(1) Log into a user account with the administrator privilege.
(2) Click Control Panel, then Printer under Hardware and Sound.
In Windows XP, click Control Panel, Printers and Other Hardware, then Printers and Faxes.
In Windows 2000, click Control Panel then Printers.
(3) Right-click the Canon XXX Printer icon, 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 port setting is not correct, reinstall the MP Drivers, or change the port setting according to the interface you are using.
The machine is not connected properly.
Make sure that the USB cable is securely plugged in to the machine and the computer.
- 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.
When you use the machine over LAN, make sure that the machine is connected to the network with a LAN cable and is set up correctly.
MP Drivers are not installed properly.
The MP Drivers may not be installed properly. Uninstall them following the procedure described in the PC Printing Guide on-screen manual and reinstall them following the procedure described in your setup sheet or the Network Setup Guide.
The printer port is not configured appropriately.
Follow the procedure below to check the printer port status.
(1) 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.
In Windows 2000, click Control Panel, System, then Device Manager on the Hardware sheet.
(2) Double-click Universal Serial Bus controllers then USB Printing Support.
If USB Printing Support is not displayed, check that the machine and the computer are connected.
(3) Click the General tab and make sure that there is no indication of a problem with the device.
If there is a problem with the device, refer to the Windows online help to resolve the problem.