Samsung MSYS SF-6900 - Manual (Page 15)

1
Getting Started
1.7 Setting up your machine
5. Find the cartridge slots inside the machine, one on each side.
4. Gently shake the cartridge from side to side 5 or 6 times to distribute the
toner evenly inside the cartridge.
6. Grasp the handle and slide the cartridge down between the cartridge
slots, until it drops into place.