Canon PIXMA iP3500 Series Quick Start Manual page 50

If the problem is not resolved, wipe the paper feed roller (A) located on the right side inside the
Rear Tray with a moistened cotton swab or the like. Rotate the roller (A) manually as you clean
it. Do not touch the roller with your fingers; rotate it with the cotton swab. If this does not solve
the problem, contact your Canon Service representative.
Cleaning the Paper Feed Roller of the Front Tray
1
Turn off the printer.
2
Load five or more sheets of A4 or Letter-sized plain paper in the Front Tray.
Note
Paper is loaded to aid the cleaning process and will not be printed on.
3
Hold the Rear Cover Lever and then press to the right and pull to remove the Rear
Cover.
46 Routine Maintenance
(A)