Avision AM7100N (MT-0904B) - Manual (Page 15)

Part C:
Press to use the Scan function.
Press to use the Copy function.
Error LED: Turns on when any error unrelated to
toner happens.
Toner LED: Turns on when the toner cartridge is
empty or blinks when the remaining toner is lower
than 20% of the full toner capacity.
LCD Screen: Displays messages on the screen to
help you set up and use this product.
Menu Button: Enters Menu Mode.
Scroll Button: Scrolls through the options available
for the selected menu item.
Set Button: Confirms the selection on the display.
Back Button: Returns to the previous level of the
menu.
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