Epson ActionLaser 1000 - Manual (Page 15)

2. Gently open the printer cover and remove the imaging
cartridge by pulling it toward you.
3. Dispose of the imaging cartridge with nonburnable items.
CAUTION:
Do not turn the imaging cartridge upside down.
Do not expose the imaging cartridge to light any longer
than necessary.
4. While holding the new imaging cartridge horizontally,
gently shake it a few times to distribute the toner evenly.
12 Maintenance