Canon imagePROGRAF iPF510 User Manual page 187

3.
After attaching the Back Cover, push the lower part of the levers at two positions so that the
levers are aligned with the marks on the Back Cover.
•
If the paper is jammed by the Output Tray.
1.
Remove the jammed paper from the Output Tray.
After removing the paper, make sure there are no other scraps of paper in the printer.
3.
Press ▼.
Handling sheets
Handling Paper 173