Oki 5700 - Manual (Page 103)

English
Troubleshooting 8-5
3 Press on the latches on both sides of the copier stacker until the cover
of the image drum compartment is clearly released and pops up. Lift up
and back, revealing the image drum unit.
4 Take hold of the image drum by its ends using both hands and lift it out
of the machine. Set it aside on a clean, dry surface out of direct sunlight.
Caution
Never expose the drum to light for more than 5 minutes. Do not
touch the green surface of the drum.