Canon PIXMA TR4500 Series Online Manual page 430

If the jammed paper is under the FINE cartridge holder, move the FINE cartridge holder to the far right or
left, whichever makes it easier to remove the paper.
When moving the FINE cartridge holder, hold the top of the FINE cartridge holder and slide it slowly to
the far right or left.
4. Hold jammed paper firmly in both hands.
If the paper is rolled up, pull out it.
5. Slowly pull out paper, so as not to tear it.
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