Epson ColorPage EPL-C8000 User Manual page 117

4. There is a switch located at the upper left. Push it up, then
release it. There is a round knob located just above the
installment window. Turn it clockwise until it stops. The
switch drops down to lower position automatically and the
next cartridge slot appears in the installation window. Repeat
this step until the cartridge that you want to replace appears.
Note:
If the knob cannot be turned, check if the switch is up. Do not turn
the knob by force.
5. Turn the cartridge knob counterclockwise 90 degrees so that
the O symbol on the knob is in the position shown below. By
turning the knob, the cartridge extends slightly.
Maintenance and Transportation
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