Oki ES 1624n MFP User Manual page 325

Click
3. UPDATE
The following window displays:
Click on an item to see this information:
Trays:
Duplex:
Disk/Memory:
Toner
Remaining:
If the Automatic Status Check box is checked, this
utility will "ping" the printer each time you open the
Printer Properties dialog in the printer driver. This will
severely slow down the opening of this dialog.
To save time, click
to see the device settings.
Paper Type, weight, size
Installed/not installed
RAM size and % used;
Flash Memory size and % used
% toner remaining is shown for
each cartridge.
Update
Windows: Software Utilities • 325
NOTE
to refresh the display.