Canon L90 - Manual (Page 167)

Troubleshooting
8-4
6
Insert the paper stack cover.
Make sure the back end of the cover does not
catch and lower the scanning platform.
7
Lower the document release lever
back into place.
Paper Jams
When <PAPER JAM/OPEN TONER COVER>
appears on the LCD display, remove
jammed paper from the inside of the
machine first, then from the paper feeder
tray if necessary.
1
Close the paper delivery tray
extension (A), and then the paper
delivery tray (B) itself.
Do not close the paper delivery tray without
folding the extension first.