Oki C6100 Series User Manual page 141

5. Place the four image drums/toner cartridges back in the
printer. Be sure to place them in the proper sequence
(1 = Cyan,
c53_09_lidup.jpg
6. Close the top cover.
c53_45_latchcvr.jpg
2 = Magenta,
C6100 Series User's Guide
141
3 = Yellow, 4 = Black).