Epson 1500 - Manual (Page 82)

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 side to side a few times to distribute the toner evenly.
3-30 Troubleshooting