Oki C3520 User Manual page 101

3. Press the cover release (a) and open the top cover of the
printer (b) fully.
4. Note the positions of the 4 cartridges/toner cartridges.
It is essential that they go back in the same order
1. Cyan cartridge
3. Yellow cartridge
2. Magenta cartridge
4. Black cartridge
Maintenance > 101
b
a
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2
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