Canon Pixma iP90 User Manual page 181

When loading paper, ensure the left edge just touches this guide.
To move the Paper Guide, slide it in the appropriate direction.
(3) Auto Sheet Feeder
Load paper here. Paper feeds automatically, one sheet at a time.
(4) Direct Print Port
Connects the printer to a Canon digital camera/PictBridge compliant camera.
(5) IrDA Interface Port
Connects the printer to a computer through a wireless IrDA connection.
(6) Print Head Cover
Open to replace the ink tanks.
(7) Paper Output Slot Cover
Printed paper ejects here.
(8) Paper Thickness Lever
Adjusts the gap between the Print Head and surface of the printing paper. Move the lever to the correct
position for the media in use.
(9) Operation Panel
See Operation Panel