4. Slide the developer cartridge in the slot until it clicks.
5. Press the green button, then turn the knob counterclockwise
until it stops. The next empty cartridge slot appears in the
cartridge installation window.
Note:
If the knob cannot be moved, first check that the green button has
been pushed down. Do not force the knob.
6. Install the other cartridges as described in steps 2 to 5 (skip
step 5 for the last cartridge).
17
Assembling the Printer