Canon LBP7660Cdn Manual page 895

6
Remove the paper by pulling it gently.
If the jammed paper cannot be removed easily
Do not try to remove it forcefully but proceed to Step 7.
7
Return the manual feed transport guide to its original position.
8
Insert the drawer in the printer.
9
When the following screen appears, press [OK].
The machine is ready to print.
If the screen does not appear
Open or close the front cover.
NOTE
If the jammed paper cannot be removed in Step
See "Clearing Paper Jams (Back Cover)" and remove the jammed paper.
6