Oki B930d - Manual (Page 140)

B930n User’s Guide> 110
5. Open the front and side covers.
NOTE
> Do not touch any parts inside the printer.
6. Hold the Drum Cartridge by the grip to pull it out slowly.
NOTE
> It is necessary to remove the Toner Cartridge. If you
move the printer with the Toner Cartridge installed, the
toner may spill in the interior of the printer.