Another computer is using the printer.The following status is the usage status of that computer.

[nennie1972]

Another computer is using the printer.
The following status is the usage status of that computer.
---
Creating print data.

How is this error corrected?

[Tiffany]

Hi Nennie1972,

Welcome to the Canon Forum! So that the Community can help you better, we will need to know what  model printer you are using and Computer Operating System. (Windows XP/Vista/7/8 or Mac 10.x) 

Any other details you'd like to give will only help the Community better understand your issue!

If this is an urgent support need, please CLICK HERE to reach our friendly Technical Support Team by phone or email.

[Reeltrouble]

Windows 7. go to Control panel - printers. Remove the Canon printer. Restart your printer and add new printer in control panel. This worked for me.

[Pooh]

I actually just used the Diagnose and Repair and it fixed it...just did it so hopefully it will keep working....