Canon 3743B002 Basic Manual page 611

Writing Error/Output Error/Communication Error
Check 1: If the Power lamp is off, make sure that the power plug is plugged in,
then turn the machine on.
While the Power lamp is flashing green, the machine is initializing. Wait until the Power
stops flashing and remains lit green.
Check 2: Make sure that the printer port is configured appropriately in the printer
driver.
* In the following instructions, " XXX " signifies your machine's name.
1.
Log on as a user account with 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.
Check 3: 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.
Check 4: Make sure that the MP Drivers are installed correctly.
Uninstall the MP Drivers following the procedure described in
Drivers, insert the Setup CD-ROM into the computer's disc drive and perform Custom Install
and select MP Drivers to install again.
Check 5: Check the status of the device on your computer.
Follow the procedure below to check the status of the device.
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, make sure that the machine is correctly
connected to the computer.
Check 3: Make sure that the USB cable is securely plugged in to the machine and the
computer.
3.
Click the General tab and make sure that there is no indication of a problem with the
device.
lamp
Deleting the Unnecessary MP