Canon imageCLASS MF3110 Basic Manual page 103

Repeated paper jams occur.
Q Is the proper paper loaded?
A Check that the size, thickness and type of the paper you are using. (See "Print
Media Requirements," on p. 2-1.)
Q Is the proper paper loaded correctly?
A Be sure to fan the paper stack before loading it in the cassette. This keeps the
sheets of paper from sticking together.
Q Is the output tray free of obstructions?
A Do not place the delivered paper back on the output tray. (See "Face Down
Paper Output Area," on p. 2-15.)
A Do not place objects other than paper on the output tray. (See "Face Down
Paper Output Area," on p. 2-15.)
Q Is the machine installed in a proper location?
A Check that the machine is installed in the proper location. (For information
about specifications of the machine, see "Specifications," on p. 11-1. For safety
warnings and cautions, see "Installation," on p. xiv.
Envelopes do not feed correctly.
Q Are the envelopes loaded correctly?
A Make sure the envelopes are loaded correctly. (See "Loading an Envelope in
the Multi-Purpose Feeder," on p. 2-9.) Load an envelope one by one in the
multi-purpose feeder.
Q Is the proper envelope loaded?
A Load the recommended envelopes (COM10, MONARCH, DL, or ISO-C5) in the
multi-purpose feeder. (See "Loading an Envelope in the Multi-Purpose Feeder,"
on p. 2-9.)
Paper Feeding Problems
9
9-13