Canon TS9150 Online Manual page 424

If the paper tears in the rear tray, see
If there are any foreign objects in the rear tray, be sure to turn off the printer, unplug it from the power supply,
then remove the foreign object.
Note
• If the feed slot cover is opened, close it slowly.
Clean paper feed roller.
Check7
Cleaning Paper Feed Rollers
Note
• Cleaning the paper feed roller abrades it, so do this only when necessary.
If two or more sheets of paper feed from cassette at once, clean inside of
Check8
cassette.
Cleaning Cassette Pads
List of Support Code for Error (Paper Jams)
424
to remove it.