Oki C 5100n - Manual (Page 49)

REPLACING CONSUMABLE ITEMS > 49
3. Pull the coloured toner release lever (1) on the cartridge to be
replaced towards the front of the printer.
4. Lift the right-hand end of the cartridge and then draw the
cartridge to the right to release the left-hand end as shown,
and withdraw the toner cartridge out of the printer.
1
1
2