Oki C5800 - Manual (Page 81)

Replacing consumable items> 81
2. Note the positions of the four cartridges.
(a) Pull the coloured toner release lever (1) on the
cartridge to be replaced fully towards the front of the
printer.
1
2
3
4
1. Cyan cartridge 2. Magenta cartridge
3. Yellow cartridge 4. Black cartridge
1