OKI C3520 User Manual

Maintenance > 97

Replace the 4 image drums, complete with their toner 
cartridges, into the printer in the correct positions as 
shown.

Close the printer top cover and press down firmly so that 
the cover latches closed.

Gently lower the scanner on to its supports.

Switch the MFP ON.

1. Cyan cartridge

2. Magenta cartridge

3. Yellow cartridge

4. Black cartridge

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