We have an Image class MF 726 CDW that won't copy.

[irishvideopro]

I try and cancel the job and it says canceling forever.  I have to turn the power off to make it stop.

[mmidyette · Accepted solution]

I had the same problem.  Resolved after updating firmware:

Thread from October with links to firmware:
MF720C, Copy function not working

Good luck

[irishvideopro]

It worked!! Thanks!!