Canon Pixma TR7800 Series Online Manual page 487

If you are using a USB cable, make sure it is securely connected to both the printer and the computer. When
the USB cable is securely plugged in, check the following:
• If you are using a relay device such as a USB hub, disconnect it, connect the printer directly to the
computer, and retry the printing. If printing starts normally, there is a problem with the relay device.
Contact the vendor of the relay device.
• There could also be a problem with the USB cable. Replace the USB cable and retry the printing.
If you use the printer over a LAN, make sure the printer is correctly set up for network use.
Make sure MP Drivers are installed correctly.
Check 3
Refer to Updating the Driver
When printer is connected to your computer with a USB cable, check device
Check 4
status from your computer.
Follow the procedure below to check the device status.
1. 1. Select Control Panel > Hardware and Sound > Device Manager.
Note
• If the User Account Control screen is displayed, select Yes.
2. Open USB Printing Support Properties. 2.
Double-click Universal Serial Bus controllers and USB Printing Support.
Note
• • If the USB Printing Support Properties screen is not displayed, make sure the printer is
correctly connected to the computer.
Check 2
3. Click General tab and check for a device problem. 3.
If a device error is shown, see Windows Help to resolve it.
Other Error Messages (Windows)
If an error message is displayed somewhere other than printer status monitor,
Check
check the following:
• "Could not spool successfully due to insufficient disk space" •
Delete any unnecessary files to increase the amount of free space on the disk.
• "Could not spool successfully due to insufficient memory" •
Close other applications to increase the available memory.
If you still cannot print, restart your computer and retry the printing.
• "Printer driver could not be found" •
to uninstall unnecessary drivers and install the latest drivers.
Make sure printer is properly connected to computer.
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