Oki C530dn User Manual page 86

4. Note the positions of the toner cartridges in the drum (1 =
Yellow, 2 = Magenta, 3 = cyan, 4 = black). It is essential that
you replace them in the same order.
5. Remove the four toner cartridges from the drum:
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– C330/C530 Replacing Consumables and Maintenance
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