Canon TR7600 Series Online Manual page 67

After inserting the cassette into the printer, the paper setting confirmation screen for the cassette
appears on the touch screen.
10. If page size on touch screen matches size of paper loaded in cassette, select Yes.
If not, select Change to change the setting in accordance with the size of the loaded paper.
11. Open the operation panel (K), pull out the paper output tray (L) and paper output support
(M), and open the output tray extension (N).
Be sure to open the operation panel before printing. If the operation panel is close, the printer does not
start printing.
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