Oki C3520 - Manual (Page 106)

Troubleshooting > 106
3. Press the cover release and open the printer’s top cover
fully.
4. Note the positions of the 4 cartridges.
a
b
WARNING!
If the printer has been powered on, the fuser may be
hot. This area is clearly labelled. Do not touch this
area.
1. Cyan cartridge 2. Magenta cartridge
3. Yellow cartridge 4. Black cartridge
1
2
3
4