Epson AcuLaser C8600 Setup Manual page 17

3. Take the cartridge out of its package, and gently shake it.
4. Insert the toner cartridge all the way until it stops.
5. Turn the cartridge knob as shown below.
Caution:
c
Be sure to turn the knob all the way to the locked position.
Otherwise, you may have toner problems or leakage.
Assembling the Printer
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