Canon PIXMA MP160 Quick Start Manual page 18

(11) Black/Color Ink Lamp
Lights when a Black/Color FINE Cartridge is empty.
(12) Paper Lamp
Displays the selected paper size and type for copying.
(13) [Paper] Button
Switches the paper size and type for copying.
(14) [+] Button
Increases the number of copies.
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Introduction Chapter 1