To check your toner level of the current Sharp range of photocopiers, the levels are conveniently displayed on the screen (pictured).
You can hold down the physical blue house button for a few seconds and this will display both toner levels and meter reading, otherwise:
Tap arrow circled below
Tap [TONER REMAINING] tab, device will display current toner level chart.
You can hold down the Copy tab on top left of the touchscreen for a few seconds and this will display both toner levels and meter reading, otherwise:
Tap [MFP STATUS] as circled below.
Tap [TONER REMAINING] tab, device will display current toner level chart.