Epson ColorPage EPL-C8000 Setup Manual page 27

7. Turn the round knob located just above the installment
window clockwise until it stops. The switch drops down to
lower position automatically and the next cartridge slot
appears in the installation window.
Note:
If the knob can not be moved, first check if the switch is in the upper
position. Do not turn the knob by force.
8. Install the cartridges as described steps 2 to 7 (for the last
cartridge, you do not need step 7).
9. See the next section for instructions on how to install the
photoconductor unit.
Assembling the Printer
21