Oki MPS6150c User Manual page 64

1. Press the cover release. Open the printer's top cover
fully. c53_02_opencvr.jpg
If the printer has been powered on, the fuser is HOT.
This area is clearly labelled. Do not touch it.
2. Note the positions of the four cartridges: Cyan (1),
Magenta (2), Yellow (3), Black (4).
c53_09_lidup.jpg
3. Pull the colored toner release lever on the cartridge to be
replaced towards the front of the printer.
WARNING!
MPS6150c User's Guide
64