Oki c3530 User Manual page 113

3.
If the printer has been powered on, the fuser may be
hot. This area is clearly labelled. Do not touch this
area.
4.
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Press the cover release and open the printer's top cover
fully.
Printer top cover open.jpg
Note the positions of the 4 cartridges.
ID Positions.jpg
1. Cyan cartridge
3. Yellow cartridge
C3530 MFP User's Guide
Troubleshooting > 113
WARNING!
2. Magenta cartridge
4. Black cartridge