Oki C5750 User Manual page 58

1. Press the cover release and open the printer's top cover
fully.
If the printer has been powered on, the fuser may be
hot. This area is clearly labelled. Do not touch.
2. Note the positions of the four cartridges.
1. Cyan cartridge
3. Yellow cartridge
(a) Pull the coloured toner release lever (1) on the
cartridge to be replaced fully towards the front of the
printer.
WARNING!
2. Magenta cartridge
4. Black cartridge
Replacing consumable items > 58
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